tools/perf/util/sort.c

   1 // SPDX-License-Identifier: GPL-2.0
   2 #include <errno.h>
   3 #include <inttypes.h>
   4 #include <regex.h>
   5 #include <stdlib.h>
   6 #include <linux/mman.h>
   7 #include <linux/time64.h>
   8 #include "debug.h"
   9 #include "dso.h"
  10 #include "sort.h"
  11 #include "hist.h"
  12 #include "cacheline.h"
  13 #include "comm.h"
  14 #include "map.h"
  15 #include "maps.h"
  16 #include "symbol.h"
  17 #include "map_symbol.h"
  18 #include "branch.h"
  19 #include "thread.h"
  20 #include "evsel.h"
  21 #include "evlist.h"
  22 #include "srcline.h"
  23 #include "strlist.h"
  24 #include "strbuf.h"
  25 #include <traceevent/event-parse.h>
  26 #include "mem-events.h"
  27 #include "annotate.h"
  28 #include "time-utils.h"
  29 #include "cgroup.h"
  30 #include "machine.h"
  31 #include <linux/kernel.h>
  32 #include <linux/string.h>
  33
  34 regex_t         parent_regex;
  35 const char      default_parent_pattern[] = "^sys_|^do_page_fault";
  36 const char      *parent_pattern = default_parent_pattern;
  37 const char      *default_sort_order = "comm,dso,symbol";
  38 const char      default_branch_sort_order[] = "comm,dso_from,symbol_from,symbol_to,cycles";
  39 const char      default_mem_sort_order[] = "local_weight,mem,sym,dso,symbol_daddr,dso_daddr,snoop,tlb,locked";
  40 const char      default_top_sort_order[] = "dso,symbol";
  41 const char      default_diff_sort_order[] = "dso,symbol";
  42 const char      default_tracepoint_sort_order[] = "trace";
  43 const char      *sort_order;
  44 const char      *field_order;
  45 regex_t         ignore_callees_regex;
  46 int             have_ignore_callees = 0;
  47 enum sort_mode  sort__mode = SORT_MODE__NORMAL;
  48
  49 /*
  50  * Replaces all occurrences of a char used with the:
  51  *
  52  * -t, --field-separator
  53  *
  54  * option, that uses a special separator character and don't pad with spaces,
  55  * replacing all occurrences of this separator in symbol names (and other
  56  * output) with a '.' character, that thus it's the only non valid separator.
  57 */
  58 static int repsep_snprintf(char *bf, size_t size, const char *fmt, ...)
  59 {
  60         int n;
  61         va_list ap;
  62
  63         va_start(ap, fmt);
  64         n = vsnprintf(bf, size, fmt, ap);
  65         if (symbol_conf.field_sep && n > 0) {
  66                 char *sep = bf;
  67
  68                 while (1) {
  69                         sep = strchr(sep, *symbol_conf.field_sep);
  70                         if (sep == NULL)
  71                                 break;
  72                         *sep = '.';
  73                 }
  74         }
  75         va_end(ap);
  76
  77         if (n >= (int)size)
  78                 return size - 1;
  79         return n;
  80 }
  81
  82 static int64_t cmp_null(const void *l, const void *r)
  83 {
  84         if (!l && !r)
  85                 return 0;
  86         else if (!l)
  87                 return -1;
  88         else
  89                 return 1;
  90 }
  91
  92 /* --sort pid */
  93
  94 static int64_t
  95 sort__thread_cmp(struct hist_entry *left, struct hist_entry *right)
  96 {
  97         return right->thread->tid - left->thread->tid;
  98 }
  99
 100 static int hist_entry__thread_snprintf(struct hist_entry *he, char *bf,
 101                                        size_t size, unsigned int width)
 102 {
 103         const char *comm = thread__comm_str(he->thread);
 104
 105         width = max(7U, width) - 8;
 106         return repsep_snprintf(bf, size, "%7d:%-*.*s", he->thread->tid,
 107                                width, width, comm ?: "");
 108 }
 109
 110 static int hist_entry__thread_filter(struct hist_entry *he, int type, const void *arg)
 111 {
 112         const struct thread *th = arg;
 113
 114         if (type != HIST_FILTER__THREAD)
 115                 return -1;
 116
 117         return th && he->thread != th;
 118 }
 119
 120 struct sort_entry sort_thread = {
 121         .se_header      = "    Pid:Command",
 122         .se_cmp         = sort__thread_cmp,
 123         .se_snprintf    = hist_entry__thread_snprintf,
 124         .se_filter      = hist_entry__thread_filter,
 125         .se_width_idx   = HISTC_THREAD,
 126 };
 127
 128 /* --sort comm */
 129
 130 /*
 131  * We can't use pointer comparison in functions below,
 132  * because it gives different results based on pointer
 133  * values, which could break some sorting assumptions.
 134  */
 135 static int64_t
 136 sort__comm_cmp(struct hist_entry *left, struct hist_entry *right)
 137 {
 138         return strcmp(comm__str(right->comm), comm__str(left->comm));
 139 }
 140
 141 static int64_t
 142 sort__comm_collapse(struct hist_entry *left, struct hist_entry *right)
 143 {
 144         return strcmp(comm__str(right->comm), comm__str(left->comm));
 145 }
 146
 147 static int64_t
 148 sort__comm_sort(struct hist_entry *left, struct hist_entry *right)
 149 {
 150         return strcmp(comm__str(right->comm), comm__str(left->comm));
 151 }
 152
 153 static int hist_entry__comm_snprintf(struct hist_entry *he, char *bf,
 154                                      size_t size, unsigned int width)
 155 {
 156         return repsep_snprintf(bf, size, "%-*.*s", width, width, comm__str(he->comm));
 157 }
 158
 159 struct sort_entry sort_comm = {
 160         .se_header      = "Command",
 161         .se_cmp         = sort__comm_cmp,
 162         .se_collapse    = sort__comm_collapse,
 163         .se_sort        = sort__comm_sort,
 164         .se_snprintf    = hist_entry__comm_snprintf,
 165         .se_filter      = hist_entry__thread_filter,
 166         .se_width_idx   = HISTC_COMM,
 167 };
 168
 169 /* --sort dso */
 170
 171 static int64_t _sort__dso_cmp(struct map *map_l, struct map *map_r)
 172 {
 173         struct dso *dso_l = map_l ? map_l->dso : NULL;
 174         struct dso *dso_r = map_r ? map_r->dso : NULL;
 175         const char *dso_name_l, *dso_name_r;
 176
 177         if (!dso_l || !dso_r)
 178                 return cmp_null(dso_r, dso_l);
 179
 180         if (verbose > 0) {
 181                 dso_name_l = dso_l->long_name;
 182                 dso_name_r = dso_r->long_name;
 183         } else {
 184                 dso_name_l = dso_l->short_name;
 185                 dso_name_r = dso_r->short_name;
 186         }
 187
 188         return strcmp(dso_name_l, dso_name_r);
 189 }
 190
 191 static int64_t
 192 sort__dso_cmp(struct hist_entry *left, struct hist_entry *right)
 193 {
 194         return _sort__dso_cmp(right->ms.map, left->ms.map);
 195 }
 196
 197 static int _hist_entry__dso_snprintf(struct map *map, char *bf,
 198                                      size_t size, unsigned int width)
 199 {
 200         if (map && map->dso) {
 201                 const char *dso_name = verbose > 0 ? map->dso->long_name :
 202                         map->dso->short_name;
 203                 return repsep_snprintf(bf, size, "%-*.*s", width, width, dso_name);
 204         }
 205
 206         return repsep_snprintf(bf, size, "%-*.*s", width, width, "[unknown]");
 207 }
 208
 209 static int hist_entry__dso_snprintf(struct hist_entry *he, char *bf,
 210                                     size_t size, unsigned int width)
 211 {
 212         return _hist_entry__dso_snprintf(he->ms.map, bf, size, width);
 213 }
 214
 215 static int hist_entry__dso_filter(struct hist_entry *he, int type, const void *arg)
 216 {
 217         const struct dso *dso = arg;
 218
 219         if (type != HIST_FILTER__DSO)
 220                 return -1;
 221
 222         return dso && (!he->ms.map || he->ms.map->dso != dso);
 223 }
 224
 225 struct sort_entry sort_dso = {
 226         .se_header      = "Shared Object",
 227         .se_cmp         = sort__dso_cmp,
 228         .se_snprintf    = hist_entry__dso_snprintf,
 229         .se_filter      = hist_entry__dso_filter,
 230         .se_width_idx   = HISTC_DSO,
 231 };
 232
 233 /* --sort symbol */
 234
 235 static int64_t _sort__addr_cmp(u64 left_ip, u64 right_ip)
 236 {
 237         return (int64_t)(right_ip - left_ip);
 238 }
 239
 240 int64_t _sort__sym_cmp(struct symbol *sym_l, struct symbol *sym_r)
 241 {
 242         if (!sym_l || !sym_r)
 243                 return cmp_null(sym_l, sym_r);
 244
 245         if (sym_l == sym_r)
 246                 return 0;
 247
 248         if (sym_l->inlined || sym_r->inlined) {
 249                 int ret = strcmp(sym_l->name, sym_r->name);
 250
 251                 if (ret)
 252                         return ret;
 253                 if ((sym_l->start <= sym_r->end) && (sym_l->end >= sym_r->start))
 254                         return 0;
 255         }
 256
 257         if (sym_l->start != sym_r->start)
 258                 return (int64_t)(sym_r->start - sym_l->start);
 259
 260         return (int64_t)(sym_r->end - sym_l->end);
 261 }
 262
 263 static int64_t
 264 sort__sym_cmp(struct hist_entry *left, struct hist_entry *right)
 265 {
 266         int64_t ret;
 267
 268         if (!left->ms.sym && !right->ms.sym)
 269                 return _sort__addr_cmp(left->ip, right->ip);
 270
 271         /*
 272          * comparing symbol address alone is not enough since it's a
 273          * relative address within a dso.
 274          */
 275         if (!hists__has(left->hists, dso) || hists__has(right->hists, dso)) {
 276                 ret = sort__dso_cmp(left, right);
 277                 if (ret != 0)
 278                         return ret;
 279         }
 280
 281         return _sort__sym_cmp(left->ms.sym, right->ms.sym);
 282 }
 283
 284 static int64_t
 285 sort__sym_sort(struct hist_entry *left, struct hist_entry *right)
 286 {
 287         if (!left->ms.sym || !right->ms.sym)
 288                 return cmp_null(left->ms.sym, right->ms.sym);
 289
 290         return strcmp(right->ms.sym->name, left->ms.sym->name);
 291 }
 292
 293 static int _hist_entry__sym_snprintf(struct map_symbol *ms,
 294                                      u64 ip, char level, char *bf, size_t size,
 295                                      unsigned int width)
 296 {
 297         struct symbol *sym = ms->sym;
 298         struct map *map = ms->map;
 299         size_t ret = 0;
 300
 301         if (verbose > 0) {
 302                 char o = map ? dso__symtab_origin(map->dso) : '!';
 303                 u64 rip = ip;
 304
 305                 if (map && map->dso && map->dso->kernel
 306                     && map->dso->adjust_symbols)
 307                         rip = map->unmap_ip(map, ip);
 308
 309                 ret += repsep_snprintf(bf, size, "%-#*llx %c ",
 310                                        BITS_PER_LONG / 4 + 2, rip, o);
 311         }
 312
 313         ret += repsep_snprintf(bf + ret, size - ret, "[%c] ", level);
 314         if (sym && map) {
 315                 if (sym->type == STT_OBJECT) {
 316                         ret += repsep_snprintf(bf + ret, size - ret, "%s", sym->name);
 317                         ret += repsep_snprintf(bf + ret, size - ret, "+0x%llx",
 318                                         ip - map->unmap_ip(map, sym->start));
 319                 } else {
 320                         ret += repsep_snprintf(bf + ret, size - ret, "%.*s",
 321                                                width - ret,
 322                                                sym->name);
 323                         if (sym->inlined)
 324                                 ret += repsep_snprintf(bf + ret, size - ret,
 325                                                        " (inlined)");
 326                 }
 327         } else {
 328                 size_t len = BITS_PER_LONG / 4;
 329                 ret += repsep_snprintf(bf + ret, size - ret, "%-#.*llx",
 330                                        len, ip);
 331         }
 332
 333         return ret;
 334 }
 335
 336 int hist_entry__sym_snprintf(struct hist_entry *he, char *bf, size_t size, unsigned int width)
 337 {
 338         return _hist_entry__sym_snprintf(&he->ms, he->ip,
 339                                          he->level, bf, size, width);
 340 }
 341
 342 static int hist_entry__sym_filter(struct hist_entry *he, int type, const void *arg)
 343 {
 344         const char *sym = arg;
 345
 346         if (type != HIST_FILTER__SYMBOL)
 347                 return -1;
 348
 349         return sym && (!he->ms.sym || !strstr(he->ms.sym->name, sym));
 350 }
 351
 352 struct sort_entry sort_sym = {
 353         .se_header      = "Symbol",
 354         .se_cmp         = sort__sym_cmp,
 355         .se_sort        = sort__sym_sort,
 356         .se_snprintf    = hist_entry__sym_snprintf,
 357         .se_filter      = hist_entry__sym_filter,
 358         .se_width_idx   = HISTC_SYMBOL,
 359 };
 360
 361 /* --sort srcline */
 362
 363 char *hist_entry__srcline(struct hist_entry *he)
 364 {
 365         return map__srcline(he->ms.map, he->ip, he->ms.sym);
 366 }
 367
 368 static int64_t
 369 sort__srcline_cmp(struct hist_entry *left, struct hist_entry *right)
 370 {
 371         if (!left->srcline)
 372                 left->srcline = hist_entry__srcline(left);
 373         if (!right->srcline)
 374                 right->srcline = hist_entry__srcline(right);
 375
 376         return strcmp(right->srcline, left->srcline);
 377 }
 378
 379 static int hist_entry__srcline_snprintf(struct hist_entry *he, char *bf,
 380                                         size_t size, unsigned int width)
 381 {
 382         if (!he->srcline)
 383                 he->srcline = hist_entry__srcline(he);
 384
 385         return repsep_snprintf(bf, size, "%-.*s", width, he->srcline);
 386 }
 387
 388 struct sort_entry sort_srcline = {
 389         .se_header      = "Source:Line",
 390         .se_cmp         = sort__srcline_cmp,
 391         .se_snprintf    = hist_entry__srcline_snprintf,
 392         .se_width_idx   = HISTC_SRCLINE,
 393 };
 394
 395 /* --sort srcline_from */
 396
 397 static char *addr_map_symbol__srcline(struct addr_map_symbol *ams)
 398 {
 399         return map__srcline(ams->ms.map, ams->al_addr, ams->ms.sym);
 400 }
 401
 402 static int64_t
 403 sort__srcline_from_cmp(struct hist_entry *left, struct hist_entry *right)
 404 {
 405         if (!left->branch_info->srcline_from)
 406                 left->branch_info->srcline_from = addr_map_symbol__srcline(&left->branch_info->from);
 407
 408         if (!right->branch_info->srcline_from)
 409                 right->branch_info->srcline_from = addr_map_symbol__srcline(&right->branch_info->from);
 410
 411         return strcmp(right->branch_info->srcline_from, left->branch_info->srcline_from);
 412 }
 413
 414 static int hist_entry__srcline_from_snprintf(struct hist_entry *he, char *bf,
 415                                         size_t size, unsigned int width)
 416 {
 417         return repsep_snprintf(bf, size, "%-*.*s", width, width, he->branch_info->srcline_from);
 418 }
 419
 420 struct sort_entry sort_srcline_from = {
 421         .se_header      = "From Source:Line",
 422         .se_cmp         = sort__srcline_from_cmp,
 423         .se_snprintf    = hist_entry__srcline_from_snprintf,
 424         .se_width_idx   = HISTC_SRCLINE_FROM,
 425 };
 426
 427 /* --sort srcline_to */
 428
 429 static int64_t
 430 sort__srcline_to_cmp(struct hist_entry *left, struct hist_entry *right)
 431 {
 432         if (!left->branch_info->srcline_to)
 433                 left->branch_info->srcline_to = addr_map_symbol__srcline(&left->branch_info->to);
 434
 435         if (!right->branch_info->srcline_to)
 436                 right->branch_info->srcline_to = addr_map_symbol__srcline(&right->branch_info->to);
 437
 438         return strcmp(right->branch_info->srcline_to, left->branch_info->srcline_to);
 439 }
 440
 441 static int hist_entry__srcline_to_snprintf(struct hist_entry *he, char *bf,
 442                                         size_t size, unsigned int width)
 443 {
 444         return repsep_snprintf(bf, size, "%-*.*s", width, width, he->branch_info->srcline_to);
 445 }
 446
 447 struct sort_entry sort_srcline_to = {
 448         .se_header      = "To Source:Line",
 449         .se_cmp         = sort__srcline_to_cmp,
 450         .se_snprintf    = hist_entry__srcline_to_snprintf,
 451         .se_width_idx   = HISTC_SRCLINE_TO,
 452 };
 453
 454 static int hist_entry__sym_ipc_snprintf(struct hist_entry *he, char *bf,
 455                                         size_t size, unsigned int width)
 456 {
 457
 458         struct symbol *sym = he->ms.sym;
 459         struct annotation *notes;
 460         double ipc = 0.0, coverage = 0.0;
 461         char tmp[64];
 462
 463         if (!sym)
 464                 return repsep_snprintf(bf, size, "%-*s", width, "-");
 465
 466         notes = symbol__annotation(sym);
 467
 468         if (notes->hit_cycles)
 469                 ipc = notes->hit_insn / ((double)notes->hit_cycles);
 470
 471         if (notes->total_insn) {
 472                 coverage = notes->cover_insn * 100.0 /
 473                         ((double)notes->total_insn);
 474         }
 475
 476         snprintf(tmp, sizeof(tmp), "%-5.2f [%5.1f%%]", ipc, coverage);
 477         return repsep_snprintf(bf, size, "%-*s", width, tmp);
 478 }
 479
 480 struct sort_entry sort_sym_ipc = {
 481         .se_header      = "IPC   [IPC Coverage]",
 482         .se_cmp         = sort__sym_cmp,
 483         .se_snprintf    = hist_entry__sym_ipc_snprintf,
 484         .se_width_idx   = HISTC_SYMBOL_IPC,
 485 };
 486
 487 static int hist_entry__sym_ipc_null_snprintf(struct hist_entry *he
 488                                              __maybe_unused,
 489                                              char *bf, size_t size,
 490                                              unsigned int width)
 491 {
 492         char tmp[64];
 493
 494         snprintf(tmp, sizeof(tmp), "%-5s %2s", "-", "-");
 495         return repsep_snprintf(bf, size, "%-*s", width, tmp);
 496 }
 497
 498 struct sort_entry sort_sym_ipc_null = {
 499         .se_header      = "IPC   [IPC Coverage]",
 500         .se_cmp         = sort__sym_cmp,
 501         .se_snprintf    = hist_entry__sym_ipc_null_snprintf,
 502         .se_width_idx   = HISTC_SYMBOL_IPC,
 503 };
 504
 505 /* --sort srcfile */
 506
 507 static char no_srcfile[1];
 508
 509 static char *hist_entry__get_srcfile(struct hist_entry *e)
 510 {
 511         char *sf, *p;
 512         struct map *map = e->ms.map;
 513
 514         if (!map)
 515                 return no_srcfile;
 516
 517         sf = __get_srcline(map->dso, map__rip_2objdump(map, e->ip),
 518                          e->ms.sym, false, true, true, e->ip);
 519         if (!strcmp(sf, SRCLINE_UNKNOWN))
 520                 return no_srcfile;
 521         p = strchr(sf, ':');
 522         if (p && *sf) {
 523                 *p = 0;
 524                 return sf;
 525         }
 526         free(sf);
 527         return no_srcfile;
 528 }
 529
 530 static int64_t
 531 sort__srcfile_cmp(struct hist_entry *left, struct hist_entry *right)
 532 {
 533         if (!left->srcfile)
 534                 left->srcfile = hist_entry__get_srcfile(left);
 535         if (!right->srcfile)
 536                 right->srcfile = hist_entry__get_srcfile(right);
 537
 538         return strcmp(right->srcfile, left->srcfile);
 539 }
 540
 541 static int hist_entry__srcfile_snprintf(struct hist_entry *he, char *bf,
 542                                         size_t size, unsigned int width)
 543 {
 544         if (!he->srcfile)
 545                 he->srcfile = hist_entry__get_srcfile(he);
 546
 547         return repsep_snprintf(bf, size, "%-.*s", width, he->srcfile);
 548 }
 549
 550 struct sort_entry sort_srcfile = {
 551         .se_header      = "Source File",
 552         .se_cmp         = sort__srcfile_cmp,
 553         .se_snprintf    = hist_entry__srcfile_snprintf,
 554         .se_width_idx   = HISTC_SRCFILE,
 555 };
 556
 557 /* --sort parent */
 558
 559 static int64_t
 560 sort__parent_cmp(struct hist_entry *left, struct hist_entry *right)
 561 {
 562         struct symbol *sym_l = left->parent;
 563         struct symbol *sym_r = right->parent;
 564
 565         if (!sym_l || !sym_r)
 566                 return cmp_null(sym_l, sym_r);
 567
 568         return strcmp(sym_r->name, sym_l->name);
 569 }
 570
 571 static int hist_entry__parent_snprintf(struct hist_entry *he, char *bf,
 572                                        size_t size, unsigned int width)
 573 {
 574         return repsep_snprintf(bf, size, "%-*.*s", width, width,
 575                               he->parent ? he->parent->name : "[other]");
 576 }
 577
 578 struct sort_entry sort_parent = {
 579         .se_header      = "Parent symbol",
 580         .se_cmp         = sort__parent_cmp,
 581         .se_snprintf    = hist_entry__parent_snprintf,
 582         .se_width_idx   = HISTC_PARENT,
 583 };
 584
 585 /* --sort cpu */
 586
 587 static int64_t
 588 sort__cpu_cmp(struct hist_entry *left, struct hist_entry *right)
 589 {
 590         return right->cpu - left->cpu;
 591 }
 592
 593 static int hist_entry__cpu_snprintf(struct hist_entry *he, char *bf,
 594                                     size_t size, unsigned int width)
 595 {
 596         return repsep_snprintf(bf, size, "%*.*d", width, width, he->cpu);
 597 }
 598
 599 struct sort_entry sort_cpu = {
 600         .se_header      = "CPU",
 601         .se_cmp         = sort__cpu_cmp,
 602         .se_snprintf    = hist_entry__cpu_snprintf,
 603         .se_width_idx   = HISTC_CPU,
 604 };
 605
 606 /* --sort cgroup_id */
 607
 608 static int64_t _sort__cgroup_dev_cmp(u64 left_dev, u64 right_dev)
 609 {
 610         return (int64_t)(right_dev - left_dev);
 611 }
 612
 613 static int64_t _sort__cgroup_inode_cmp(u64 left_ino, u64 right_ino)
 614 {
 615         return (int64_t)(right_ino - left_ino);
 616 }
 617
 618 static int64_t
 619 sort__cgroup_id_cmp(struct hist_entry *left, struct hist_entry *right)
 620 {
 621         int64_t ret;
 622
 623         ret = _sort__cgroup_dev_cmp(right->cgroup_id.dev, left->cgroup_id.dev);
 624         if (ret != 0)
 625                 return ret;
 626
 627         return _sort__cgroup_inode_cmp(right->cgroup_id.ino,
 628                                        left->cgroup_id.ino);
 629 }
 630
 631 static int hist_entry__cgroup_id_snprintf(struct hist_entry *he,
 632                                           char *bf, size_t size,
 633                                           unsigned int width __maybe_unused)
 634 {
 635         return repsep_snprintf(bf, size, "%lu/0x%lx", he->cgroup_id.dev,
 636                                he->cgroup_id.ino);
 637 }
 638
 639 struct sort_entry sort_cgroup_id = {
 640         .se_header      = "cgroup id (dev/inode)",
 641         .se_cmp         = sort__cgroup_id_cmp,
 642         .se_snprintf    = hist_entry__cgroup_id_snprintf,
 643         .se_width_idx   = HISTC_CGROUP_ID,
 644 };
 645
 646 /* --sort cgroup */
 647
 648 static int64_t
 649 sort__cgroup_cmp(struct hist_entry *left, struct hist_entry *right)
 650 {
 651         return right->cgroup - left->cgroup;
 652 }
 653
 654 static int hist_entry__cgroup_snprintf(struct hist_entry *he,
 655                                        char *bf, size_t size,
 656                                        unsigned int width __maybe_unused)
 657 {
 658         const char *cgrp_name = "N/A";
 659
 660         if (he->cgroup) {
 661                 struct cgroup *cgrp = cgroup__find(he->ms.maps->machine->env,
 662                                                    he->cgroup);
 663                 if (cgrp != NULL)
 664                         cgrp_name = cgrp->name;
 665                 else
 666                         cgrp_name = "unknown";
 667         }
 668
 669         return repsep_snprintf(bf, size, "%s", cgrp_name);
 670 }
 671
 672 struct sort_entry sort_cgroup = {
 673         .se_header      = "Cgroup",
 674         .se_cmp         = sort__cgroup_cmp,
 675         .se_snprintf    = hist_entry__cgroup_snprintf,
 676         .se_width_idx   = HISTC_CGROUP,
 677 };
 678
 679 /* --sort socket */
 680
 681 static int64_t
 682 sort__socket_cmp(struct hist_entry *left, struct hist_entry *right)
 683 {
 684         return right->socket - left->socket;
 685 }
 686
 687 static int hist_entry__socket_snprintf(struct hist_entry *he, char *bf,
 688                                     size_t size, unsigned int width)
 689 {
 690         return repsep_snprintf(bf, size, "%*.*d", width, width-3, he->socket);
 691 }
 692
 693 static int hist_entry__socket_filter(struct hist_entry *he, int type, const void *arg)
 694 {
 695         int sk = *(const int *)arg;
 696
 697         if (type != HIST_FILTER__SOCKET)
 698                 return -1;
 699
 700         return sk >= 0 && he->socket != sk;
 701 }
 702
 703 struct sort_entry sort_socket = {
 704         .se_header      = "Socket",
 705         .se_cmp         = sort__socket_cmp,
 706         .se_snprintf    = hist_entry__socket_snprintf,
 707         .se_filter      = hist_entry__socket_filter,
 708         .se_width_idx   = HISTC_SOCKET,
 709 };
 710
 711 /* --sort time */
 712
 713 static int64_t
 714 sort__time_cmp(struct hist_entry *left, struct hist_entry *right)
 715 {
 716         return right->time - left->time;
 717 }
 718
 719 static int hist_entry__time_snprintf(struct hist_entry *he, char *bf,
 720                                     size_t size, unsigned int width)
 721 {
 722         char he_time[32];
 723
 724         if (symbol_conf.nanosecs)
 725                 timestamp__scnprintf_nsec(he->time, he_time,
 726                                           sizeof(he_time));
 727         else
 728                 timestamp__scnprintf_usec(he->time, he_time,
 729                                           sizeof(he_time));
 730
 731         return repsep_snprintf(bf, size, "%-.*s", width, he_time);
 732 }
 733
 734 struct sort_entry sort_time = {
 735         .se_header      = "Time",
 736         .se_cmp         = sort__time_cmp,
 737         .se_snprintf    = hist_entry__time_snprintf,
 738         .se_width_idx   = HISTC_TIME,
 739 };
 740
 741 /* --sort trace */
 742
 743 static char *get_trace_output(struct hist_entry *he)
 744 {
 745         struct trace_seq seq;
 746         struct evsel *evsel;
 747         struct tep_record rec = {
 748                 .data = he->raw_data,
 749                 .size = he->raw_size,
 750         };
 751
 752         evsel = hists_to_evsel(he->hists);
 753
 754         trace_seq_init(&seq);
 755         if (symbol_conf.raw_trace) {
 756                 tep_print_fields(&seq, he->raw_data, he->raw_size,
 757                                  evsel->tp_format);
 758         } else {
 759                 tep_print_event(evsel->tp_format->tep,
 760                                 &seq, &rec, "%s", TEP_PRINT_INFO);
 761         }
 762         /*
 763          * Trim the buffer, it starts at 4KB and we're not going to
 764          * add anything more to this buffer.
 765          */
 766         return realloc(seq.buffer, seq.len + 1);
 767 }
 768
 769 static int64_t
 770 sort__trace_cmp(struct hist_entry *left, struct hist_entry *right)
 771 {
 772         struct evsel *evsel;
 773
 774         evsel = hists_to_evsel(left->hists);
 775         if (evsel->core.attr.type != PERF_TYPE_TRACEPOINT)
 776                 return 0;
 777
 778         if (left->trace_output == NULL)
 779                 left->trace_output = get_trace_output(left);
 780         if (right->trace_output == NULL)
 781                 right->trace_output = get_trace_output(right);
 782
 783         return strcmp(right->trace_output, left->trace_output);
 784 }
 785
 786 static int hist_entry__trace_snprintf(struct hist_entry *he, char *bf,
 787                                     size_t size, unsigned int width)
 788 {
 789         struct evsel *evsel;
 790
 791         evsel = hists_to_evsel(he->hists);
 792         if (evsel->core.attr.type != PERF_TYPE_TRACEPOINT)
 793                 return scnprintf(bf, size, "%-.*s", width, "N/A");
 794
 795         if (he->trace_output == NULL)
 796                 he->trace_output = get_trace_output(he);
 797         return repsep_snprintf(bf, size, "%-.*s", width, he->trace_output);
 798 }
 799
 800 struct sort_entry sort_trace = {
 801         .se_header      = "Trace output",
 802         .se_cmp         = sort__trace_cmp,
 803         .se_snprintf    = hist_entry__trace_snprintf,
 804         .se_width_idx   = HISTC_TRACE,
 805 };
 806
 807 /* sort keys for branch stacks */
 808
 809 static int64_t
 810 sort__dso_from_cmp(struct hist_entry *left, struct hist_entry *right)
 811 {
 812         if (!left->branch_info || !right->branch_info)
 813                 return cmp_null(left->branch_info, right->branch_info);
 814
 815         return _sort__dso_cmp(left->branch_info->from.ms.map,
 816                               right->branch_info->from.ms.map);
 817 }
 818
 819 static int hist_entry__dso_from_snprintf(struct hist_entry *he, char *bf,
 820                                     size_t size, unsigned int width)
 821 {
 822         if (he->branch_info)
 823                 return _hist_entry__dso_snprintf(he->branch_info->from.ms.map,
 824                                                  bf, size, width);
 825         else
 826                 return repsep_snprintf(bf, size, "%-*.*s", width, width, "N/A");
 827 }
 828
 829 static int hist_entry__dso_from_filter(struct hist_entry *he, int type,
 830                                        const void *arg)
 831 {
 832         const struct dso *dso = arg;
 833
 834         if (type != HIST_FILTER__DSO)
 835                 return -1;
 836
 837         return dso && (!he->branch_info || !he->branch_info->from.ms.map ||
 838                        he->branch_info->from.ms.map->dso != dso);
 839 }
 840
 841 static int64_t
 842 sort__dso_to_cmp(struct hist_entry *left, struct hist_entry *right)
 843 {
 844         if (!left->branch_info || !right->branch_info)
 845                 return cmp_null(left->branch_info, right->branch_info);
 846
 847         return _sort__dso_cmp(left->branch_info->to.ms.map,
 848                               right->branch_info->to.ms.map);
 849 }
 850
 851 static int hist_entry__dso_to_snprintf(struct hist_entry *he, char *bf,
 852                                        size_t size, unsigned int width)
 853 {
 854         if (he->branch_info)
 855                 return _hist_entry__dso_snprintf(he->branch_info->to.ms.map,
 856                                                  bf, size, width);
 857         else
 858                 return repsep_snprintf(bf, size, "%-*.*s", width, width, "N/A");
 859 }
 860
 861 static int hist_entry__dso_to_filter(struct hist_entry *he, int type,
 862                                      const void *arg)
 863 {
 864         const struct dso *dso = arg;
 865
 866         if (type != HIST_FILTER__DSO)
 867                 return -1;
 868
 869         return dso && (!he->branch_info || !he->branch_info->to.ms.map ||
 870                        he->branch_info->to.ms.map->dso != dso);
 871 }
 872
 873 static int64_t
 874 sort__sym_from_cmp(struct hist_entry *left, struct hist_entry *right)
 875 {
 876         struct addr_map_symbol *from_l = &left->branch_info->from;
 877         struct addr_map_symbol *from_r = &right->branch_info->from;
 878
 879         if (!left->branch_info || !right->branch_info)
 880                 return cmp_null(left->branch_info, right->branch_info);
 881
 882         from_l = &left->branch_info->from;
 883         from_r = &right->branch_info->from;
 884
 885         if (!from_l->ms.sym && !from_r->ms.sym)
 886                 return _sort__addr_cmp(from_l->addr, from_r->addr);
 887
 888         return _sort__sym_cmp(from_l->ms.sym, from_r->ms.sym);
 889 }
 890
 891 static int64_t
 892 sort__sym_to_cmp(struct hist_entry *left, struct hist_entry *right)
 893 {
 894         struct addr_map_symbol *to_l, *to_r;
 895
 896         if (!left->branch_info || !right->branch_info)
 897                 return cmp_null(left->branch_info, right->branch_info);
 898
 899         to_l = &left->branch_info->to;
 900         to_r = &right->branch_info->to;
 901
 902         if (!to_l->ms.sym && !to_r->ms.sym)
 903                 return _sort__addr_cmp(to_l->addr, to_r->addr);
 904
 905         return _sort__sym_cmp(to_l->ms.sym, to_r->ms.sym);
 906 }
 907
 908 static int hist_entry__sym_from_snprintf(struct hist_entry *he, char *bf,
 909                                          size_t size, unsigned int width)
 910 {
 911         if (he->branch_info) {
 912                 struct addr_map_symbol *from = &he->branch_info->from;
 913
 914                 return _hist_entry__sym_snprintf(&from->ms, from->al_addr,
 915                                                  he->level, bf, size, width);
 916         }
 917
 918         return repsep_snprintf(bf, size, "%-*.*s", width, width, "N/A");
 919 }
 920
 921 static int hist_entry__sym_to_snprintf(struct hist_entry *he, char *bf,
 922                                        size_t size, unsigned int width)
 923 {
 924         if (he->branch_info) {
 925                 struct addr_map_symbol *to = &he->branch_info->to;
 926
 927                 return _hist_entry__sym_snprintf(&to->ms, to->al_addr,
 928                                                  he->level, bf, size, width);
 929         }
 930
 931         return repsep_snprintf(bf, size, "%-*.*s", width, width, "N/A");
 932 }
 933
 934 static int hist_entry__sym_from_filter(struct hist_entry *he, int type,
 935                                        const void *arg)
 936 {
 937         const char *sym = arg;
 938
 939         if (type != HIST_FILTER__SYMBOL)
 940                 return -1;
 941
 942         return sym && !(he->branch_info && he->branch_info->from.ms.sym &&
 943                         strstr(he->branch_info->from.ms.sym->name, sym));
 944 }
 945
 946 static int hist_entry__sym_to_filter(struct hist_entry *he, int type,
 947                                        const void *arg)
 948 {
 949         const char *sym = arg;
 950
 951         if (type != HIST_FILTER__SYMBOL)
 952                 return -1;
 953
 954         return sym && !(he->branch_info && he->branch_info->to.ms.sym &&
 955                         strstr(he->branch_info->to.ms.sym->name, sym));
 956 }
 957
 958 struct sort_entry sort_dso_from = {
 959         .se_header      = "Source Shared Object",
 960         .se_cmp         = sort__dso_from_cmp,
 961         .se_snprintf    = hist_entry__dso_from_snprintf,
 962         .se_filter      = hist_entry__dso_from_filter,
 963         .se_width_idx   = HISTC_DSO_FROM,
 964 };
 965
 966 struct sort_entry sort_dso_to = {
 967         .se_header      = "Target Shared Object",
 968         .se_cmp         = sort__dso_to_cmp,
 969         .se_snprintf    = hist_entry__dso_to_snprintf,
 970         .se_filter      = hist_entry__dso_to_filter,
 971         .se_width_idx   = HISTC_DSO_TO,
 972 };
 973
 974 struct sort_entry sort_sym_from = {
 975         .se_header      = "Source Symbol",
 976         .se_cmp         = sort__sym_from_cmp,
 977         .se_snprintf    = hist_entry__sym_from_snprintf,
 978         .se_filter      = hist_entry__sym_from_filter,
 979         .se_width_idx   = HISTC_SYMBOL_FROM,
 980 };
 981
 982 struct sort_entry sort_sym_to = {
 983         .se_header      = "Target Symbol",
 984         .se_cmp         = sort__sym_to_cmp,
 985         .se_snprintf    = hist_entry__sym_to_snprintf,
 986         .se_filter      = hist_entry__sym_to_filter,
 987         .se_width_idx   = HISTC_SYMBOL_TO,
 988 };
 989
 990 static int64_t
 991 sort__mispredict_cmp(struct hist_entry *left, struct hist_entry *right)
 992 {
 993         unsigned char mp, p;
 994
 995         if (!left->branch_info || !right->branch_info)
 996                 return cmp_null(left->branch_info, right->branch_info);
 997
 998         mp = left->branch_info->flags.mispred != right->branch_info->flags.mispred;
 999         p  = left->branch_info->flags.predicted != right->branch_info->flags.predicted;
1000         return mp || p;
1001 }
1002
1003 static int hist_entry__mispredict_snprintf(struct hist_entry *he, char *bf,
1004                                     size_t size, unsigned int width){
1005         static const char *out = "N/A";
1006
1007         if (he->branch_info) {
1008                 if (he->branch_info->flags.predicted)
1009                         out = "N";
1010                 else if (he->branch_info->flags.mispred)
1011                         out = "Y";
1012         }
1013
1014         return repsep_snprintf(bf, size, "%-*.*s", width, width, out);
1015 }
1016
1017 static int64_t
1018 sort__cycles_cmp(struct hist_entry *left, struct hist_entry *right)
1019 {
1020         if (!left->branch_info || !right->branch_info)
1021                 return cmp_null(left->branch_info, right->branch_info);
1022
1023         return left->branch_info->flags.cycles -
1024                 right->branch_info->flags.cycles;
1025 }
1026
1027 static int hist_entry__cycles_snprintf(struct hist_entry *he, char *bf,
1028                                     size_t size, unsigned int width)
1029 {
1030         if (!he->branch_info)
1031                 return scnprintf(bf, size, "%-.*s", width, "N/A");
1032         if (he->branch_info->flags.cycles == 0)
1033                 return repsep_snprintf(bf, size, "%-*s", width, "-");
1034         return repsep_snprintf(bf, size, "%-*hd", width,
1035                                he->branch_info->flags.cycles);
1036 }
1037
1038 struct sort_entry sort_cycles = {
1039         .se_header      = "Basic Block Cycles",
1040         .se_cmp         = sort__cycles_cmp,
1041         .se_snprintf    = hist_entry__cycles_snprintf,
1042         .se_width_idx   = HISTC_CYCLES,
1043 };
1044
1045 /* --sort daddr_sym */
1046 int64_t
1047 sort__daddr_cmp(struct hist_entry *left, struct hist_entry *right)
1048 {
1049         uint64_t l = 0, r = 0;
1050
1051         if (left->mem_info)
1052                 l = left->mem_info->daddr.addr;
1053         if (right->mem_info)
1054                 r = right->mem_info->daddr.addr;
1055
1056         return (int64_t)(r - l);
1057 }
1058
1059 static int hist_entry__daddr_snprintf(struct hist_entry *he, char *bf,
1060                                     size_t size, unsigned int width)
1061 {
1062         uint64_t addr = 0;
1063         struct map_symbol *ms = NULL;
1064
1065         if (he->mem_info) {
1066                 addr = he->mem_info->daddr.addr;
1067                 ms = &he->mem_info->daddr.ms;
1068         }
1069         return _hist_entry__sym_snprintf(ms, addr, he->level, bf, size, width);
1070 }
1071
1072 int64_t
1073 sort__iaddr_cmp(struct hist_entry *left, struct hist_entry *right)
1074 {
1075         uint64_t l = 0, r = 0;
1076
1077         if (left->mem_info)
1078                 l = left->mem_info->iaddr.addr;
1079         if (right->mem_info)
1080                 r = right->mem_info->iaddr.addr;
1081
1082         return (int64_t)(r - l);
1083 }
1084
1085 static int hist_entry__iaddr_snprintf(struct hist_entry *he, char *bf,
1086                                     size_t size, unsigned int width)
1087 {
1088         uint64_t addr = 0;
1089         struct map_symbol *ms = NULL;
1090
1091         if (he->mem_info) {
1092                 addr = he->mem_info->iaddr.addr;
1093                 ms   = &he->mem_info->iaddr.ms;
1094         }
1095         return _hist_entry__sym_snprintf(ms, addr, he->level, bf, size, width);
1096 }
1097
1098 static int64_t
1099 sort__dso_daddr_cmp(struct hist_entry *left, struct hist_entry *right)
1100 {
1101         struct map *map_l = NULL;
1102         struct map *map_r = NULL;
1103
1104         if (left->mem_info)
1105                 map_l = left->mem_info->daddr.ms.map;
1106         if (right->mem_info)
1107                 map_r = right->mem_info->daddr.ms.map;
1108
1109         return _sort__dso_cmp(map_l, map_r);
1110 }
1111
1112 static int hist_entry__dso_daddr_snprintf(struct hist_entry *he, char *bf,
1113                                     size_t size, unsigned int width)
1114 {
1115         struct map *map = NULL;
1116
1117         if (he->mem_info)
1118                 map = he->mem_info->daddr.ms.map;
1119
1120         return _hist_entry__dso_snprintf(map, bf, size, width);
1121 }
1122
1123 static int64_t
1124 sort__locked_cmp(struct hist_entry *left, struct hist_entry *right)
1125 {
1126         union perf_mem_data_src data_src_l;
1127         union perf_mem_data_src data_src_r;
1128
1129         if (left->mem_info)
1130                 data_src_l = left->mem_info->data_src;
1131         else
1132                 data_src_l.mem_lock = PERF_MEM_LOCK_NA;
1133
1134         if (right->mem_info)
1135                 data_src_r = right->mem_info->data_src;
1136         else
1137                 data_src_r.mem_lock = PERF_MEM_LOCK_NA;
1138
1139         return (int64_t)(data_src_r.mem_lock - data_src_l.mem_lock);
1140 }
1141
1142 static int hist_entry__locked_snprintf(struct hist_entry *he, char *bf,
1143                                     size_t size, unsigned int width)
1144 {
1145         char out[10];
1146
1147         perf_mem__lck_scnprintf(out, sizeof(out), he->mem_info);
1148         return repsep_snprintf(bf, size, "%.*s", width, out);
1149 }
1150
1151 static int64_t
1152 sort__tlb_cmp(struct hist_entry *left, struct hist_entry *right)
1153 {
1154         union perf_mem_data_src data_src_l;
1155         union perf_mem_data_src data_src_r;
1156
1157         if (left->mem_info)
1158                 data_src_l = left->mem_info->data_src;
1159         else
1160                 data_src_l.mem_dtlb = PERF_MEM_TLB_NA;
1161
1162         if (right->mem_info)
1163                 data_src_r = right->mem_info->data_src;
1164         else
1165                 data_src_r.mem_dtlb = PERF_MEM_TLB_NA;
1166
1167         return (int64_t)(data_src_r.mem_dtlb - data_src_l.mem_dtlb);
1168 }
1169
1170 static int hist_entry__tlb_snprintf(struct hist_entry *he, char *bf,
1171                                     size_t size, unsigned int width)
1172 {
1173         char out[64];
1174
1175         perf_mem__tlb_scnprintf(out, sizeof(out), he->mem_info);
1176         return repsep_snprintf(bf, size, "%-*s", width, out);
1177 }
1178
1179 static int64_t
1180 sort__lvl_cmp(struct hist_entry *left, struct hist_entry *right)
1181 {
1182         union perf_mem_data_src data_src_l;
1183         union perf_mem_data_src data_src_r;
1184
1185         if (left->mem_info)
1186                 data_src_l = left->mem_info->data_src;
1187         else
1188                 data_src_l.mem_lvl = PERF_MEM_LVL_NA;
1189
1190         if (right->mem_info)
1191                 data_src_r = right->mem_info->data_src;
1192         else
1193                 data_src_r.mem_lvl = PERF_MEM_LVL_NA;
1194
1195         return (int64_t)(data_src_r.mem_lvl - data_src_l.mem_lvl);
1196 }
1197
1198 static int hist_entry__lvl_snprintf(struct hist_entry *he, char *bf,
1199                                     size_t size, unsigned int width)
1200 {
1201         char out[64];
1202
1203         perf_mem__lvl_scnprintf(out, sizeof(out), he->mem_info);
1204         return repsep_snprintf(bf, size, "%-*s", width, out);
1205 }
1206
1207 static int64_t
1208 sort__snoop_cmp(struct hist_entry *left, struct hist_entry *right)
1209 {
1210         union perf_mem_data_src data_src_l;
1211         union perf_mem_data_src data_src_r;
1212
1213         if (left->mem_info)
1214                 data_src_l = left->mem_info->data_src;
1215         else
1216                 data_src_l.mem_snoop = PERF_MEM_SNOOP_NA;
1217
1218         if (right->mem_info)
1219                 data_src_r = right->mem_info->data_src;
1220         else
1221                 data_src_r.mem_snoop = PERF_MEM_SNOOP_NA;
1222
1223         return (int64_t)(data_src_r.mem_snoop - data_src_l.mem_snoop);
1224 }
1225
1226 static int hist_entry__snoop_snprintf(struct hist_entry *he, char *bf,
1227                                     size_t size, unsigned int width)
1228 {
1229         char out[64];
1230
1231         perf_mem__snp_scnprintf(out, sizeof(out), he->mem_info);
1232         return repsep_snprintf(bf, size, "%-*s", width, out);
1233 }
1234
1235 int64_t
1236 sort__dcacheline_cmp(struct hist_entry *left, struct hist_entry *right)
1237 {
1238         u64 l, r;
1239         struct map *l_map, *r_map;
1240         int rc;
1241
1242         if (!left->mem_info)  return -1;
1243         if (!right->mem_info) return 1;
1244
1245         /* group event types together */
1246         if (left->cpumode > right->cpumode) return -1;
1247         if (left->cpumode < right->cpumode) return 1;
1248
1249         l_map = left->mem_info->daddr.ms.map;
1250         r_map = right->mem_info->daddr.ms.map;
1251
1252         /* if both are NULL, jump to sort on al_addr instead */
1253         if (!l_map && !r_map)
1254                 goto addr;
1255
1256         if (!l_map) return -1;
1257         if (!r_map) return 1;
1258
1259         rc = dso__cmp_id(l_map->dso, r_map->dso);
1260         if (rc)
1261                 return rc;
1262         /*
1263          * Addresses with no major/minor numbers are assumed to be
1264          * anonymous in userspace.  Sort those on pid then address.
1265          *
1266          * The kernel and non-zero major/minor mapped areas are
1267          * assumed to be unity mapped.  Sort those on address.
1268          */
1269
1270         if ((left->cpumode != PERF_RECORD_MISC_KERNEL) &&
1271             (!(l_map->flags & MAP_SHARED)) &&
1272             !l_map->dso->id.maj && !l_map->dso->id.min &&
1273             !l_map->dso->id.ino && !l_map->dso->id.ino_generation) {
1274                 /* userspace anonymous */
1275
1276                 if (left->thread->pid_ > right->thread->pid_) return -1;
1277                 if (left->thread->pid_ < right->thread->pid_) return 1;
1278         }
1279
1280 addr:
1281         /* al_addr does all the right addr - start + offset calculations */
1282         l = cl_address(left->mem_info->daddr.al_addr);
1283         r = cl_address(right->mem_info->daddr.al_addr);
1284
1285         if (l > r) return -1;
1286         if (l < r) return 1;
1287
1288         return 0;
1289 }
1290
1291 static int hist_entry__dcacheline_snprintf(struct hist_entry *he, char *bf,
1292                                           size_t size, unsigned int width)
1293 {
1294
1295         uint64_t addr = 0;
1296         struct map_symbol *ms = NULL;
1297         char level = he->level;
1298
1299         if (he->mem_info) {
1300                 struct map *map = he->mem_info->daddr.ms.map;
1301
1302                 addr = cl_address(he->mem_info->daddr.al_addr);
1303                 ms = &he->mem_info->daddr.ms;
1304
1305                 /* print [s] for shared data mmaps */
1306                 if ((he->cpumode != PERF_RECORD_MISC_KERNEL) &&
1307                      map && !(map->prot & PROT_EXEC) &&
1308                     (map->flags & MAP_SHARED) &&
1309                     (map->dso->id.maj || map->dso->id.min ||
1310                      map->dso->id.ino || map->dso->id.ino_generation))
1311                         level = 's';
1312                 else if (!map)
1313                         level = 'X';
1314         }
1315         return _hist_entry__sym_snprintf(ms, addr, level, bf, size, width);
1316 }
1317
1318 struct sort_entry sort_mispredict = {
1319         .se_header      = "Branch Mispredicted",
1320         .se_cmp         = sort__mispredict_cmp,
1321         .se_snprintf    = hist_entry__mispredict_snprintf,
1322         .se_width_idx   = HISTC_MISPREDICT,
1323 };
1324
1325 static u64 he_weight(struct hist_entry *he)
1326 {
1327         return he->stat.nr_events ? he->stat.weight / he->stat.nr_events : 0;
1328 }
1329
1330 static int64_t
1331 sort__local_weight_cmp(struct hist_entry *left, struct hist_entry *right)
1332 {
1333         return he_weight(left) - he_weight(right);
1334 }
1335
1336 static int hist_entry__local_weight_snprintf(struct hist_entry *he, char *bf,
1337                                     size_t size, unsigned int width)
1338 {
1339         return repsep_snprintf(bf, size, "%-*llu", width, he_weight(he));
1340 }
1341
1342 struct sort_entry sort_local_weight = {
1343         .se_header      = "Local Weight",
1344         .se_cmp         = sort__local_weight_cmp,
1345         .se_snprintf    = hist_entry__local_weight_snprintf,
1346         .se_width_idx   = HISTC_LOCAL_WEIGHT,
1347 };
1348
1349 static int64_t
1350 sort__global_weight_cmp(struct hist_entry *left, struct hist_entry *right)
1351 {
1352         return left->stat.weight - right->stat.weight;
1353 }
1354
1355 static int hist_entry__global_weight_snprintf(struct hist_entry *he, char *bf,
1356                                               size_t size, unsigned int width)
1357 {
1358         return repsep_snprintf(bf, size, "%-*llu", width, he->stat.weight);
1359 }
1360
1361 struct sort_entry sort_global_weight = {
1362         .se_header      = "Weight",
1363         .se_cmp         = sort__global_weight_cmp,
1364         .se_snprintf    = hist_entry__global_weight_snprintf,
1365         .se_width_idx   = HISTC_GLOBAL_WEIGHT,
1366 };
1367
1368 struct sort_entry sort_mem_daddr_sym = {
1369         .se_header      = "Data Symbol",
1370         .se_cmp         = sort__daddr_cmp,
1371         .se_snprintf    = hist_entry__daddr_snprintf,
1372         .se_width_idx   = HISTC_MEM_DADDR_SYMBOL,
1373 };
1374
1375 struct sort_entry sort_mem_iaddr_sym = {
1376         .se_header      = "Code Symbol",
1377         .se_cmp         = sort__iaddr_cmp,
1378         .se_snprintf    = hist_entry__iaddr_snprintf,
1379         .se_width_idx   = HISTC_MEM_IADDR_SYMBOL,
1380 };
1381
1382 struct sort_entry sort_mem_daddr_dso = {
1383         .se_header      = "Data Object",
1384         .se_cmp         = sort__dso_daddr_cmp,
1385         .se_snprintf    = hist_entry__dso_daddr_snprintf,
1386         .se_width_idx   = HISTC_MEM_DADDR_DSO,
1387 };
1388
1389 struct sort_entry sort_mem_locked = {
1390         .se_header      = "Locked",
1391         .se_cmp         = sort__locked_cmp,
1392         .se_snprintf    = hist_entry__locked_snprintf,
1393         .se_width_idx   = HISTC_MEM_LOCKED,
1394 };
1395
1396 struct sort_entry sort_mem_tlb = {
1397         .se_header      = "TLB access",
1398         .se_cmp         = sort__tlb_cmp,
1399         .se_snprintf    = hist_entry__tlb_snprintf,
1400         .se_width_idx   = HISTC_MEM_TLB,
1401 };
1402
1403 struct sort_entry sort_mem_lvl = {
1404         .se_header      = "Memory access",
1405         .se_cmp         = sort__lvl_cmp,
1406         .se_snprintf    = hist_entry__lvl_snprintf,
1407         .se_width_idx   = HISTC_MEM_LVL,
1408 };
1409
1410 struct sort_entry sort_mem_snoop = {
1411         .se_header      = "Snoop",
1412         .se_cmp         = sort__snoop_cmp,
1413         .se_snprintf    = hist_entry__snoop_snprintf,
1414         .se_width_idx   = HISTC_MEM_SNOOP,
1415 };
1416
1417 struct sort_entry sort_mem_dcacheline = {
1418         .se_header      = "Data Cacheline",
1419         .se_cmp         = sort__dcacheline_cmp,
1420         .se_snprintf    = hist_entry__dcacheline_snprintf,
1421         .se_width_idx   = HISTC_MEM_DCACHELINE,
1422 };
1423
1424 static int64_t
1425 sort__phys_daddr_cmp(struct hist_entry *left, struct hist_entry *right)
1426 {
1427         uint64_t l = 0, r = 0;
1428
1429         if (left->mem_info)
1430                 l = left->mem_info->daddr.phys_addr;
1431         if (right->mem_info)
1432                 r = right->mem_info->daddr.phys_addr;
1433
1434         return (int64_t)(r - l);
1435 }
1436
1437 static int hist_entry__phys_daddr_snprintf(struct hist_entry *he, char *bf,
1438                                            size_t size, unsigned int width)
1439 {
1440         uint64_t addr = 0;
1441         size_t ret = 0;
1442         size_t len = BITS_PER_LONG / 4;
1443
1444         addr = he->mem_info->daddr.phys_addr;
1445
1446         ret += repsep_snprintf(bf + ret, size - ret, "[%c] ", he->level);
1447
1448         ret += repsep_snprintf(bf + ret, size - ret, "%-#.*llx", len, addr);
1449
1450         ret += repsep_snprintf(bf + ret, size - ret, "%-*s", width - ret, "");
1451
1452         if (ret > width)
1453                 bf[width] = '\0';
1454
1455         return width;
1456 }
1457
1458 struct sort_entry sort_mem_phys_daddr = {
1459         .se_header      = "Data Physical Address",
1460         .se_cmp         = sort__phys_daddr_cmp,
1461         .se_snprintf    = hist_entry__phys_daddr_snprintf,
1462         .se_width_idx   = HISTC_MEM_PHYS_DADDR,
1463 };
1464
1465 static int64_t
1466 sort__abort_cmp(struct hist_entry *left, struct hist_entry *right)
1467 {
1468         if (!left->branch_info || !right->branch_info)
1469                 return cmp_null(left->branch_info, right->branch_info);
1470
1471         return left->branch_info->flags.abort !=
1472                 right->branch_info->flags.abort;
1473 }
1474
1475 static int hist_entry__abort_snprintf(struct hist_entry *he, char *bf,
1476                                     size_t size, unsigned int width)
1477 {
1478         static const char *out = "N/A";
1479
1480         if (he->branch_info) {
1481                 if (he->branch_info->flags.abort)
1482                         out = "A";
1483                 else
1484                         out = ".";
1485         }
1486
1487         return repsep_snprintf(bf, size, "%-*s", width, out);
1488 }
1489
1490 struct sort_entry sort_abort = {
1491         .se_header      = "Transaction abort",
1492         .se_cmp         = sort__abort_cmp,
1493         .se_snprintf    = hist_entry__abort_snprintf,
1494         .se_width_idx   = HISTC_ABORT,
1495 };
1496
1497 static int64_t
1498 sort__in_tx_cmp(struct hist_entry *left, struct hist_entry *right)
1499 {
1500         if (!left->branch_info || !right->branch_info)
1501                 return cmp_null(left->branch_info, right->branch_info);
1502
1503         return left->branch_info->flags.in_tx !=
1504                 right->branch_info->flags.in_tx;
1505 }
1506
1507 static int hist_entry__in_tx_snprintf(struct hist_entry *he, char *bf,
1508                                     size_t size, unsigned int width)
1509 {
1510         static const char *out = "N/A";
1511
1512         if (he->branch_info) {
1513                 if (he->branch_info->flags.in_tx)
1514                         out = "T";
1515                 else
1516                         out = ".";
1517         }
1518
1519         return repsep_snprintf(bf, size, "%-*s", width, out);
1520 }
1521
1522 struct sort_entry sort_in_tx = {
1523         .se_header      = "Branch in transaction",
1524         .se_cmp         = sort__in_tx_cmp,
1525         .se_snprintf    = hist_entry__in_tx_snprintf,
1526         .se_width_idx   = HISTC_IN_TX,
1527 };
1528
1529 static int64_t
1530 sort__transaction_cmp(struct hist_entry *left, struct hist_entry *right)
1531 {
1532         return left->transaction - right->transaction;
1533 }
1534
1535 static inline char *add_str(char *p, const char *str)
1536 {
1537         strcpy(p, str);
1538         return p + strlen(str);
1539 }
1540
1541 static struct txbit {
1542         unsigned flag;
1543         const char *name;
1544         int skip_for_len;
1545 } txbits[] = {
1546         { PERF_TXN_ELISION,        "EL ",        0 },
1547         { PERF_TXN_TRANSACTION,    "TX ",        1 },
1548         { PERF_TXN_SYNC,           "SYNC ",      1 },
1549         { PERF_TXN_ASYNC,          "ASYNC ",     0 },
1550         { PERF_TXN_RETRY,          "RETRY ",     0 },
1551         { PERF_TXN_CONFLICT,       "CON ",       0 },
1552         { PERF_TXN_CAPACITY_WRITE, "CAP-WRITE ", 1 },
1553         { PERF_TXN_CAPACITY_READ,  "CAP-READ ",  0 },
1554         { 0, NULL, 0 }
1555 };
1556
1557 int hist_entry__transaction_len(void)
1558 {
1559         int i;
1560         int len = 0;
1561
1562         for (i = 0; txbits[i].name; i++) {
1563                 if (!txbits[i].skip_for_len)
1564                         len += strlen(txbits[i].name);
1565         }
1566         len += 4; /* :XX<space> */
1567         return len;
1568 }
1569
1570 static int hist_entry__transaction_snprintf(struct hist_entry *he, char *bf,
1571                                             size_t size, unsigned int width)
1572 {
1573         u64 t = he->transaction;
1574         char buf[128];
1575         char *p = buf;
1576         int i;
1577
1578         buf[0] = 0;
1579         for (i = 0; txbits[i].name; i++)
1580                 if (txbits[i].flag & t)
1581                         p = add_str(p, txbits[i].name);
1582         if (t && !(t & (PERF_TXN_SYNC|PERF_TXN_ASYNC)))
1583                 p = add_str(p, "NEITHER ");
1584         if (t & PERF_TXN_ABORT_MASK) {
1585                 sprintf(p, ":%" PRIx64,
1586                         (t & PERF_TXN_ABORT_MASK) >>
1587                         PERF_TXN_ABORT_SHIFT);
1588                 p += strlen(p);
1589         }
1590
1591         return repsep_snprintf(bf, size, "%-*s", width, buf);
1592 }
1593
1594 struct sort_entry sort_transaction = {
1595         .se_header      = "Transaction                ",
1596         .se_cmp         = sort__transaction_cmp,
1597         .se_snprintf    = hist_entry__transaction_snprintf,
1598         .se_width_idx   = HISTC_TRANSACTION,
1599 };
1600
1601 /* --sort symbol_size */
1602
1603 static int64_t _sort__sym_size_cmp(struct symbol *sym_l, struct symbol *sym_r)
1604 {
1605         int64_t size_l = sym_l != NULL ? symbol__size(sym_l) : 0;
1606         int64_t size_r = sym_r != NULL ? symbol__size(sym_r) : 0;
1607
1608         return size_l < size_r ? -1 :
1609                 size_l == size_r ? 0 : 1;
1610 }
1611
1612 static int64_t
1613 sort__sym_size_cmp(struct hist_entry *left, struct hist_entry *right)
1614 {
1615         return _sort__sym_size_cmp(right->ms.sym, left->ms.sym);
1616 }
1617
1618 static int _hist_entry__sym_size_snprintf(struct symbol *sym, char *bf,
1619                                           size_t bf_size, unsigned int width)
1620 {
1621         if (sym)
1622                 return repsep_snprintf(bf, bf_size, "%*d", width, symbol__size(sym));
1623
1624         return repsep_snprintf(bf, bf_size, "%*s", width, "unknown");
1625 }
1626
1627 static int hist_entry__sym_size_snprintf(struct hist_entry *he, char *bf,
1628                                          size_t size, unsigned int width)
1629 {
1630         return _hist_entry__sym_size_snprintf(he->ms.sym, bf, size, width);
1631 }
1632
1633 struct sort_entry sort_sym_size = {
1634         .se_header      = "Symbol size",
1635         .se_cmp         = sort__sym_size_cmp,
1636         .se_snprintf    = hist_entry__sym_size_snprintf,
1637         .se_width_idx   = HISTC_SYM_SIZE,
1638 };
1639
1640 /* --sort dso_size */
1641
1642 static int64_t _sort__dso_size_cmp(struct map *map_l, struct map *map_r)
1643 {
1644         int64_t size_l = map_l != NULL ? map__size(map_l) : 0;
1645         int64_t size_r = map_r != NULL ? map__size(map_r) : 0;
1646
1647         return size_l < size_r ? -1 :
1648                 size_l == size_r ? 0 : 1;
1649 }
1650
1651 static int64_t
1652 sort__dso_size_cmp(struct hist_entry *left, struct hist_entry *right)
1653 {
1654         return _sort__dso_size_cmp(right->ms.map, left->ms.map);
1655 }
1656
1657 static int _hist_entry__dso_size_snprintf(struct map *map, char *bf,
1658                                           size_t bf_size, unsigned int width)
1659 {
1660         if (map && map->dso)
1661                 return repsep_snprintf(bf, bf_size, "%*d", width,
1662                                        map__size(map));
1663
1664         return repsep_snprintf(bf, bf_size, "%*s", width, "unknown");
1665 }
1666
1667 static int hist_entry__dso_size_snprintf(struct hist_entry *he, char *bf,
1668                                          size_t size, unsigned int width)
1669 {
1670         return _hist_entry__dso_size_snprintf(he->ms.map, bf, size, width);
1671 }
1672
1673 struct sort_entry sort_dso_size = {
1674         .se_header      = "DSO size",
1675         .se_cmp         = sort__dso_size_cmp,
1676         .se_snprintf    = hist_entry__dso_size_snprintf,
1677         .se_width_idx   = HISTC_DSO_SIZE,
1678 };
1679
1680
1681 struct sort_dimension {
1682         const char              *name;
1683         struct sort_entry       *entry;
1684         int                     taken;
1685 };
1686
1687 #define DIM(d, n, func) [d] = { .name = n, .entry = &(func) }
1688
1689 static struct sort_dimension common_sort_dimensions[] = {
1690         DIM(SORT_PID, "pid", sort_thread),
1691         DIM(SORT_COMM, "comm", sort_comm),
1692         DIM(SORT_DSO, "dso", sort_dso),
1693         DIM(SORT_SYM, "symbol", sort_sym),
1694         DIM(SORT_PARENT, "parent", sort_parent),
1695         DIM(SORT_CPU, "cpu", sort_cpu),
1696         DIM(SORT_SOCKET, "socket", sort_socket),
1697         DIM(SORT_SRCLINE, "srcline", sort_srcline),
1698         DIM(SORT_SRCFILE, "srcfile", sort_srcfile),
1699         DIM(SORT_LOCAL_WEIGHT, "local_weight", sort_local_weight),
1700         DIM(SORT_GLOBAL_WEIGHT, "weight", sort_global_weight),
1701         DIM(SORT_TRANSACTION, "transaction", sort_transaction),
1702         DIM(SORT_TRACE, "trace", sort_trace),
1703         DIM(SORT_SYM_SIZE, "symbol_size", sort_sym_size),
1704         DIM(SORT_DSO_SIZE, "dso_size", sort_dso_size),
1705         DIM(SORT_CGROUP, "cgroup", sort_cgroup),
1706         DIM(SORT_CGROUP_ID, "cgroup_id", sort_cgroup_id),
1707         DIM(SORT_SYM_IPC_NULL, "ipc_null", sort_sym_ipc_null),
1708         DIM(SORT_TIME, "time", sort_time),
1709 };
1710
1711 #undef DIM
1712
1713 #define DIM(d, n, func) [d - __SORT_BRANCH_STACK] = { .name = n, .entry = &(func) }
1714
1715 static struct sort_dimension bstack_sort_dimensions[] = {
1716         DIM(SORT_DSO_FROM, "dso_from", sort_dso_from),
1717         DIM(SORT_DSO_TO, "dso_to", sort_dso_to),
1718         DIM(SORT_SYM_FROM, "symbol_from", sort_sym_from),
1719         DIM(SORT_SYM_TO, "symbol_to", sort_sym_to),
1720         DIM(SORT_MISPREDICT, "mispredict", sort_mispredict),
1721         DIM(SORT_IN_TX, "in_tx", sort_in_tx),
1722         DIM(SORT_ABORT, "abort", sort_abort),
1723         DIM(SORT_CYCLES, "cycles", sort_cycles),
1724         DIM(SORT_SRCLINE_FROM, "srcline_from", sort_srcline_from),
1725         DIM(SORT_SRCLINE_TO, "srcline_to", sort_srcline_to),
1726         DIM(SORT_SYM_IPC, "ipc_lbr", sort_sym_ipc),
1727 };
1728
1729 #undef DIM
1730
1731 #define DIM(d, n, func) [d - __SORT_MEMORY_MODE] = { .name = n, .entry = &(func) }
1732
1733 static struct sort_dimension memory_sort_dimensions[] = {
1734         DIM(SORT_MEM_DADDR_SYMBOL, "symbol_daddr", sort_mem_daddr_sym),
1735         DIM(SORT_MEM_IADDR_SYMBOL, "symbol_iaddr", sort_mem_iaddr_sym),
1736         DIM(SORT_MEM_DADDR_DSO, "dso_daddr", sort_mem_daddr_dso),
1737         DIM(SORT_MEM_LOCKED, "locked", sort_mem_locked),
1738         DIM(SORT_MEM_TLB, "tlb", sort_mem_tlb),
1739         DIM(SORT_MEM_LVL, "mem", sort_mem_lvl),
1740         DIM(SORT_MEM_SNOOP, "snoop", sort_mem_snoop),
1741         DIM(SORT_MEM_DCACHELINE, "dcacheline", sort_mem_dcacheline),
1742         DIM(SORT_MEM_PHYS_DADDR, "phys_daddr", sort_mem_phys_daddr),
1743 };
1744
1745 #undef DIM
1746
1747 struct hpp_dimension {
1748         const char              *name;
1749         struct perf_hpp_fmt     *fmt;
1750         int                     taken;
1751 };
1752
1753 #define DIM(d, n) { .name = n, .fmt = &perf_hpp__format[d], }
1754
1755 static struct hpp_dimension hpp_sort_dimensions[] = {
1756         DIM(PERF_HPP__OVERHEAD, "overhead"),
1757         DIM(PERF_HPP__OVERHEAD_SYS, "overhead_sys"),
1758         DIM(PERF_HPP__OVERHEAD_US, "overhead_us"),
1759         DIM(PERF_HPP__OVERHEAD_GUEST_SYS, "overhead_guest_sys"),
1760         DIM(PERF_HPP__OVERHEAD_GUEST_US, "overhead_guest_us"),
1761         DIM(PERF_HPP__OVERHEAD_ACC, "overhead_children"),
1762         DIM(PERF_HPP__SAMPLES, "sample"),
1763         DIM(PERF_HPP__PERIOD, "period"),
1764 };
1765
1766 #undef DIM
1767
1768 struct hpp_sort_entry {
1769         struct perf_hpp_fmt hpp;
1770         struct sort_entry *se;
1771 };
1772
1773 void perf_hpp__reset_sort_width(struct perf_hpp_fmt *fmt, struct hists *hists)
1774 {
1775         struct hpp_sort_entry *hse;
1776
1777         if (!perf_hpp__is_sort_entry(fmt))
1778                 return;
1779
1780         hse = container_of(fmt, struct hpp_sort_entry, hpp);
1781         hists__new_col_len(hists, hse->se->se_width_idx, strlen(fmt->name));
1782 }
1783
1784 static int __sort__hpp_header(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
1785                               struct hists *hists, int line __maybe_unused,
1786                               int *span __maybe_unused)
1787 {
1788         struct hpp_sort_entry *hse;
1789         size_t len = fmt->user_len;
1790
1791         hse = container_of(fmt, struct hpp_sort_entry, hpp);
1792
1793         if (!len)
1794                 len = hists__col_len(hists, hse->se->se_width_idx);
1795
1796         return scnprintf(hpp->buf, hpp->size, "%-*.*s", len, len, fmt->name);
1797 }
1798
1799 static int __sort__hpp_width(struct perf_hpp_fmt *fmt,
1800                              struct perf_hpp *hpp __maybe_unused,
1801                              struct hists *hists)
1802 {
1803         struct hpp_sort_entry *hse;
1804         size_t len = fmt->user_len;
1805
1806         hse = container_of(fmt, struct hpp_sort_entry, hpp);
1807
1808         if (!len)
1809                 len = hists__col_len(hists, hse->se->se_width_idx);
1810
1811         return len;
1812 }
1813
1814 static int __sort__hpp_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
1815                              struct hist_entry *he)
1816 {
1817         struct hpp_sort_entry *hse;
1818         size_t len = fmt->user_len;
1819
1820         hse = container_of(fmt, struct hpp_sort_entry, hpp);
1821
1822         if (!len)
1823                 len = hists__col_len(he->hists, hse->se->se_width_idx);
1824
1825         return hse->se->se_snprintf(he, hpp->buf, hpp->size, len);
1826 }
1827
1828 static int64_t __sort__hpp_cmp(struct perf_hpp_fmt *fmt,
1829                                struct hist_entry *a, struct hist_entry *b)
1830 {
1831         struct hpp_sort_entry *hse;
1832
1833         hse = container_of(fmt, struct hpp_sort_entry, hpp);
1834         return hse->se->se_cmp(a, b);
1835 }
1836
1837 static int64_t __sort__hpp_collapse(struct perf_hpp_fmt *fmt,
1838                                     struct hist_entry *a, struct hist_entry *b)
1839 {
1840         struct hpp_sort_entry *hse;
1841         int64_t (*collapse_fn)(struct hist_entry *, struct hist_entry *);
1842
1843         hse = container_of(fmt, struct hpp_sort_entry, hpp);
1844         collapse_fn = hse->se->se_collapse ?: hse->se->se_cmp;
1845         return collapse_fn(a, b);
1846 }
1847
1848 static int64_t __sort__hpp_sort(struct perf_hpp_fmt *fmt,
1849                                 struct hist_entry *a, struct hist_entry *b)
1850 {
1851         struct hpp_sort_entry *hse;
1852         int64_t (*sort_fn)(struct hist_entry *, struct hist_entry *);
1853
1854         hse = container_of(fmt, struct hpp_sort_entry, hpp);
1855         sort_fn = hse->se->se_sort ?: hse->se->se_cmp;
1856         return sort_fn(a, b);
1857 }
1858
1859 bool perf_hpp__is_sort_entry(struct perf_hpp_fmt *format)
1860 {
1861         return format->header == __sort__hpp_header;
1862 }
1863
1864 #define MK_SORT_ENTRY_CHK(key)                                  \
1865 bool perf_hpp__is_ ## key ## _entry(struct perf_hpp_fmt *fmt)   \
1866 {                                                               \
1867         struct hpp_sort_entry *hse;                             \
1868                                                                 \
1869         if (!perf_hpp__is_sort_entry(fmt))                      \
1870                 return false;                                   \
1871                                                                 \
1872         hse = container_of(fmt, struct hpp_sort_entry, hpp);    \
1873         return hse->se == &sort_ ## key ;                       \
1874 }
1875
1876 MK_SORT_ENTRY_CHK(trace)
1877 MK_SORT_ENTRY_CHK(srcline)
1878 MK_SORT_ENTRY_CHK(srcfile)
1879 MK_SORT_ENTRY_CHK(thread)
1880 MK_SORT_ENTRY_CHK(comm)
1881 MK_SORT_ENTRY_CHK(dso)
1882 MK_SORT_ENTRY_CHK(sym)
1883
1884
1885 static bool __sort__hpp_equal(struct perf_hpp_fmt *a, struct perf_hpp_fmt *b)
1886 {
1887         struct hpp_sort_entry *hse_a;
1888         struct hpp_sort_entry *hse_b;
1889
1890         if (!perf_hpp__is_sort_entry(a) || !perf_hpp__is_sort_entry(b))
1891                 return false;
1892
1893         hse_a = container_of(a, struct hpp_sort_entry, hpp);
1894         hse_b = container_of(b, struct hpp_sort_entry, hpp);
1895
1896         return hse_a->se == hse_b->se;
1897 }
1898
1899 static void hse_free(struct perf_hpp_fmt *fmt)
1900 {
1901         struct hpp_sort_entry *hse;
1902
1903         hse = container_of(fmt, struct hpp_sort_entry, hpp);
1904         free(hse);
1905 }
1906
1907 static struct hpp_sort_entry *
1908 __sort_dimension__alloc_hpp(struct sort_dimension *sd, int level)
1909 {
1910         struct hpp_sort_entry *hse;
1911
1912         hse = malloc(sizeof(*hse));
1913         if (hse == NULL) {
1914                 pr_err("Memory allocation failed\n");
1915                 return NULL;
1916         }
1917
1918         hse->se = sd->entry;
1919         hse->hpp.name = sd->entry->se_header;
1920         hse->hpp.header = __sort__hpp_header;
1921         hse->hpp.width = __sort__hpp_width;
1922         hse->hpp.entry = __sort__hpp_entry;
1923         hse->hpp.color = NULL;
1924
1925         hse->hpp.cmp = __sort__hpp_cmp;
1926         hse->hpp.collapse = __sort__hpp_collapse;
1927         hse->hpp.sort = __sort__hpp_sort;
1928         hse->hpp.equal = __sort__hpp_equal;
1929         hse->hpp.free = hse_free;
1930
1931         INIT_LIST_HEAD(&hse->hpp.list);
1932         INIT_LIST_HEAD(&hse->hpp.sort_list);
1933         hse->hpp.elide = false;
1934         hse->hpp.len = 0;
1935         hse->hpp.user_len = 0;
1936         hse->hpp.level = level;
1937
1938         return hse;
1939 }
1940
1941 static void hpp_free(struct perf_hpp_fmt *fmt)
1942 {
1943         free(fmt);
1944 }
1945
1946 static struct perf_hpp_fmt *__hpp_dimension__alloc_hpp(struct hpp_dimension *hd,
1947                                                        int level)
1948 {
1949         struct perf_hpp_fmt *fmt;
1950
1951         fmt = memdup(hd->fmt, sizeof(*fmt));
1952         if (fmt) {
1953                 INIT_LIST_HEAD(&fmt->list);
1954                 INIT_LIST_HEAD(&fmt->sort_list);
1955                 fmt->free = hpp_free;
1956                 fmt->level = level;
1957         }
1958
1959         return fmt;
1960 }
1961
1962 int hist_entry__filter(struct hist_entry *he, int type, const void *arg)
1963 {
1964         struct perf_hpp_fmt *fmt;
1965         struct hpp_sort_entry *hse;
1966         int ret = -1;
1967         int r;
1968
1969         perf_hpp_list__for_each_format(he->hpp_list, fmt) {
1970                 if (!perf_hpp__is_sort_entry(fmt))
1971                         continue;
1972
1973                 hse = container_of(fmt, struct hpp_sort_entry, hpp);
1974                 if (hse->se->se_filter == NULL)
1975                         continue;
1976
1977                 /*
1978                  * hist entry is filtered if any of sort key in the hpp list
1979                  * is applied.  But it should skip non-matched filter types.
1980                  */
1981                 r = hse->se->se_filter(he, type, arg);
1982                 if (r >= 0) {
1983                         if (ret < 0)
1984                                 ret = 0;
1985                         ret |= r;
1986                 }
1987         }
1988
1989         return ret;
1990 }
1991
1992 static int __sort_dimension__add_hpp_sort(struct sort_dimension *sd,
1993                                           struct perf_hpp_list *list,
1994                                           int level)
1995 {
1996         struct hpp_sort_entry *hse = __sort_dimension__alloc_hpp(sd, level);
1997
1998         if (hse == NULL)
1999                 return -1;
2000
2001         perf_hpp_list__register_sort_field(list, &hse->hpp);
2002         return 0;
2003 }
2004
2005 static int __sort_dimension__add_hpp_output(struct sort_dimension *sd,
2006                                             struct perf_hpp_list *list)
2007 {
2008         struct hpp_sort_entry *hse = __sort_dimension__alloc_hpp(sd, 0);
2009
2010         if (hse == NULL)
2011                 return -1;
2012
2013         perf_hpp_list__column_register(list, &hse->hpp);
2014         return 0;
2015 }
2016
2017 struct hpp_dynamic_entry {
2018         struct perf_hpp_fmt hpp;
2019         struct evsel *evsel;
2020         struct tep_format_field *field;
2021         unsigned dynamic_len;
2022         bool raw_trace;
2023 };
2024
2025 static int hde_width(struct hpp_dynamic_entry *hde)
2026 {
2027         if (!hde->hpp.len) {
2028                 int len = hde->dynamic_len;
2029                 int namelen = strlen(hde->field->name);
2030                 int fieldlen = hde->field->size;
2031
2032                 if (namelen > len)
2033                         len = namelen;
2034
2035                 if (!(hde->field->flags & TEP_FIELD_IS_STRING)) {
2036                         /* length for print hex numbers */
2037                         fieldlen = hde->field->size * 2 + 2;
2038                 }
2039                 if (fieldlen > len)
2040                         len = fieldlen;
2041
2042                 hde->hpp.len = len;
2043         }
2044         return hde->hpp.len;
2045 }
2046
2047 static void update_dynamic_len(struct hpp_dynamic_entry *hde,
2048                                struct hist_entry *he)
2049 {
2050         char *str, *pos;
2051         struct tep_format_field *field = hde->field;
2052         size_t namelen;
2053         bool last = false;
2054
2055         if (hde->raw_trace)
2056                 return;
2057
2058         /* parse pretty print result and update max length */
2059         if (!he->trace_output)
2060                 he->trace_output = get_trace_output(he);
2061
2062         namelen = strlen(field->name);
2063         str = he->trace_output;
2064
2065         while (str) {
2066                 pos = strchr(str, ' ');
2067                 if (pos == NULL) {
2068                         last = true;
2069                         pos = str + strlen(str);
2070                 }
2071
2072                 if (!strncmp(str, field->name, namelen)) {
2073                         size_t len;
2074
2075                         str += namelen + 1;
2076                         len = pos - str;
2077
2078                         if (len > hde->dynamic_len)
2079                                 hde->dynamic_len = len;
2080                         break;
2081                 }
2082
2083                 if (last)
2084                         str = NULL;
2085                 else
2086                         str = pos + 1;
2087         }
2088 }
2089
2090 static int __sort__hde_header(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
2091                               struct hists *hists __maybe_unused,
2092                               int line __maybe_unused,
2093                               int *span __maybe_unused)
2094 {
2095         struct hpp_dynamic_entry *hde;
2096         size_t len = fmt->user_len;
2097
2098         hde = container_of(fmt, struct hpp_dynamic_entry, hpp);
2099
2100         if (!len)
2101                 len = hde_width(hde);
2102
2103         return scnprintf(hpp->buf, hpp->size, "%*.*s", len, len, hde->field->name);
2104 }
2105
2106 static int __sort__hde_width(struct perf_hpp_fmt *fmt,
2107                              struct perf_hpp *hpp __maybe_unused,
2108                              struct hists *hists __maybe_unused)
2109 {
2110         struct hpp_dynamic_entry *hde;
2111         size_t len = fmt->user_len;
2112
2113         hde = container_of(fmt, struct hpp_dynamic_entry, hpp);
2114
2115         if (!len)
2116                 len = hde_width(hde);
2117
2118         return len;
2119 }
2120
2121 bool perf_hpp__defined_dynamic_entry(struct perf_hpp_fmt *fmt, struct hists *hists)
2122 {
2123         struct hpp_dynamic_entry *hde;
2124
2125         hde = container_of(fmt, struct hpp_dynamic_entry, hpp);
2126
2127         return hists_to_evsel(hists) == hde->evsel;
2128 }
2129
2130 static int __sort__hde_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
2131                              struct hist_entry *he)
2132 {
2133         struct hpp_dynamic_entry *hde;
2134         size_t len = fmt->user_len;
2135         char *str, *pos;
2136         struct tep_format_field *field;
2137         size_t namelen;
2138         bool last = false;
2139         int ret;
2140
2141         hde = container_of(fmt, struct hpp_dynamic_entry, hpp);
2142
2143         if (!len)
2144                 len = hde_width(hde);
2145
2146         if (hde->raw_trace)
2147                 goto raw_field;
2148
2149         if (!he->trace_output)
2150                 he->trace_output = get_trace_output(he);
2151
2152         field = hde->field;
2153         namelen = strlen(field->name);
2154         str = he->trace_output;
2155
2156         while (str) {
2157                 pos = strchr(str, ' ');
2158                 if (pos == NULL) {
2159                         last = true;
2160                         pos = str + strlen(str);
2161                 }
2162
2163                 if (!strncmp(str, field->name, namelen)) {
2164                         str += namelen + 1;
2165                         str = strndup(str, pos - str);
2166
2167                         if (str == NULL)
2168                                 return scnprintf(hpp->buf, hpp->size,
2169                                                  "%*.*s", len, len, "ERROR");
2170                         break;
2171                 }
2172
2173                 if (last)
2174                         str = NULL;
2175                 else
2176                         str = pos + 1;
2177         }
2178
2179         if (str == NULL) {
2180                 struct trace_seq seq;
2181 raw_field:
2182                 trace_seq_init(&seq);
2183                 tep_print_field(&seq, he->raw_data, hde->field);
2184                 str = seq.buffer;
2185         }
2186
2187         ret = scnprintf(hpp->buf, hpp->size, "%*.*s", len, len, str);
2188         free(str);
2189         return ret;
2190 }
2191
2192 static int64_t __sort__hde_cmp(struct perf_hpp_fmt *fmt,
2193                                struct hist_entry *a, struct hist_entry *b)
2194 {
2195         struct hpp_dynamic_entry *hde;
2196         struct tep_format_field *field;
2197         unsigned offset, size;
2198
2199         hde = container_of(fmt, struct hpp_dynamic_entry, hpp);
2200
2201         if (b == NULL) {
2202                 update_dynamic_len(hde, a);
2203                 return 0;
2204         }
2205
2206         field = hde->field;
2207         if (field->flags & TEP_FIELD_IS_DYNAMIC) {
2208                 unsigned long long dyn;
2209
2210                 tep_read_number_field(field, a->raw_data, &dyn);
2211                 offset = dyn & 0xffff;
2212                 size = (dyn >> 16) & 0xffff;
2213
2214                 /* record max width for output */
2215                 if (size > hde->dynamic_len)
2216                         hde->dynamic_len = size;
2217         } else {
2218                 offset = field->offset;
2219                 size = field->size;
2220         }
2221
2222         return memcmp(a->raw_data + offset, b->raw_data + offset, size);
2223 }
2224
2225 bool perf_hpp__is_dynamic_entry(struct perf_hpp_fmt *fmt)
2226 {
2227         return fmt->cmp == __sort__hde_cmp;
2228 }
2229
2230 static bool __sort__hde_equal(struct perf_hpp_fmt *a, struct perf_hpp_fmt *b)
2231 {
2232         struct hpp_dynamic_entry *hde_a;
2233         struct hpp_dynamic_entry *hde_b;
2234
2235         if (!perf_hpp__is_dynamic_entry(a) || !perf_hpp__is_dynamic_entry(b))
2236                 return false;
2237
2238         hde_a = container_of(a, struct hpp_dynamic_entry, hpp);
2239         hde_b = container_of(b, struct hpp_dynamic_entry, hpp);
2240
2241         return hde_a->field == hde_b->field;
2242 }
2243
2244 static void hde_free(struct perf_hpp_fmt *fmt)
2245 {
2246         struct hpp_dynamic_entry *hde;
2247
2248         hde = container_of(fmt, struct hpp_dynamic_entry, hpp);
2249         free(hde);
2250 }
2251
2252 static struct hpp_dynamic_entry *
2253 __alloc_dynamic_entry(struct evsel *evsel, struct tep_format_field *field,
2254                       int level)
2255 {
2256         struct hpp_dynamic_entry *hde;
2257
2258         hde = malloc(sizeof(*hde));
2259         if (hde == NULL) {
2260                 pr_debug("Memory allocation failed\n");
2261                 return NULL;
2262         }
2263
2264         hde->evsel = evsel;
2265         hde->field = field;
2266         hde->dynamic_len = 0;
2267
2268         hde->hpp.name = field->name;
2269         hde->hpp.header = __sort__hde_header;
2270         hde->hpp.width  = __sort__hde_width;
2271         hde->hpp.entry  = __sort__hde_entry;
2272         hde->hpp.color  = NULL;
2273
2274         hde->hpp.cmp = __sort__hde_cmp;
2275         hde->hpp.collapse = __sort__hde_cmp;
2276         hde->hpp.sort = __sort__hde_cmp;
2277         hde->hpp.equal = __sort__hde_equal;
2278         hde->hpp.free = hde_free;
2279
2280         INIT_LIST_HEAD(&hde->hpp.list);
2281         INIT_LIST_HEAD(&hde->hpp.sort_list);
2282         hde->hpp.elide = false;
2283         hde->hpp.len = 0;
2284         hde->hpp.user_len = 0;
2285         hde->hpp.level = level;
2286
2287         return hde;
2288 }
2289
2290 struct perf_hpp_fmt *perf_hpp_fmt__dup(struct perf_hpp_fmt *fmt)
2291 {
2292         struct perf_hpp_fmt *new_fmt = NULL;
2293
2294         if (perf_hpp__is_sort_entry(fmt)) {
2295                 struct hpp_sort_entry *hse, *new_hse;
2296
2297                 hse = container_of(fmt, struct hpp_sort_entry, hpp);
2298                 new_hse = memdup(hse, sizeof(*hse));
2299                 if (new_hse)
2300                         new_fmt = &new_hse->hpp;
2301         } else if (perf_hpp__is_dynamic_entry(fmt)) {
2302                 struct hpp_dynamic_entry *hde, *new_hde;
2303
2304                 hde = container_of(fmt, struct hpp_dynamic_entry, hpp);
2305                 new_hde = memdup(hde, sizeof(*hde));
2306                 if (new_hde)
2307                         new_fmt = &new_hde->hpp;
2308         } else {
2309                 new_fmt = memdup(fmt, sizeof(*fmt));
2310         }
2311
2312         INIT_LIST_HEAD(&new_fmt->list);
2313         INIT_LIST_HEAD(&new_fmt->sort_list);
2314
2315         return new_fmt;
2316 }
2317
2318 static int parse_field_name(char *str, char **event, char **field, char **opt)
2319 {
2320         char *event_name, *field_name, *opt_name;
2321
2322         event_name = str;
2323         field_name = strchr(str, '.');
2324
2325         if (field_name) {
2326                 *field_name++ = '\0';
2327         } else {
2328                 event_name = NULL;
2329                 field_name = str;
2330         }
2331
2332         opt_name = strchr(field_name, '/');
2333         if (opt_name)
2334                 *opt_name++ = '\0';
2335
2336         *event = event_name;
2337         *field = field_name;
2338         *opt   = opt_name;
2339
2340         return 0;
2341 }
2342
2343 /* find match evsel using a given event name.  The event name can be:
2344  *   1. '%' + event index (e.g. '%1' for first event)
2345  *   2. full event name (e.g. sched:sched_switch)
2346  *   3. partial event name (should not contain ':')
2347  */
2348 static struct evsel *find_evsel(struct evlist *evlist, char *event_name)
2349 {
2350         struct evsel *evsel = NULL;
2351         struct evsel *pos;
2352         bool full_name;
2353
2354         /* case 1 */
2355         if (event_name[0] == '%') {
2356                 int nr = strtol(event_name+1, NULL, 0);
2357
2358                 if (nr > evlist->core.nr_entries)
2359                         return NULL;
2360
2361                 evsel = evlist__first(evlist);
2362                 while (--nr > 0)
2363                         evsel = evsel__next(evsel);
2364
2365                 return evsel;
2366         }
2367
2368         full_name = !!strchr(event_name, ':');
2369         evlist__for_each_entry(evlist, pos) {
2370                 /* case 2 */
2371                 if (full_name && !strcmp(pos->name, event_name))
2372                         return pos;
2373                 /* case 3 */
2374                 if (!full_name && strstr(pos->name, event_name)) {
2375                         if (evsel) {
2376                                 pr_debug("'%s' event is ambiguous: it can be %s or %s\n",
2377                                          event_name, evsel->name, pos->name);
2378                                 return NULL;
2379                         }
2380                         evsel = pos;
2381                 }
2382         }
2383
2384         return evsel;
2385 }
2386
2387 static int __dynamic_dimension__add(struct evsel *evsel,
2388                                     struct tep_format_field *field,
2389                                     bool raw_trace, int level)
2390 {
2391         struct hpp_dynamic_entry *hde;
2392
2393         hde = __alloc_dynamic_entry(evsel, field, level);
2394         if (hde == NULL)
2395                 return -ENOMEM;
2396
2397         hde->raw_trace = raw_trace;
2398
2399         perf_hpp__register_sort_field(&hde->hpp);
2400         return 0;
2401 }
2402
2403 static int add_evsel_fields(struct evsel *evsel, bool raw_trace, int level)
2404 {
2405         int ret;
2406         struct tep_format_field *field;
2407
2408         field = evsel->tp_format->format.fields;
2409         while (field) {
2410                 ret = __dynamic_dimension__add(evsel, field, raw_trace, level);
2411                 if (ret < 0)
2412                         return ret;
2413
2414                 field = field->next;
2415         }
2416         return 0;
2417 }
2418
2419 static int add_all_dynamic_fields(struct evlist *evlist, bool raw_trace,
2420                                   int level)
2421 {
2422         int ret;
2423         struct evsel *evsel;
2424
2425         evlist__for_each_entry(evlist, evsel) {
2426                 if (evsel->core.attr.type != PERF_TYPE_TRACEPOINT)
2427                         continue;
2428
2429                 ret = add_evsel_fields(evsel, raw_trace, level);
2430                 if (ret < 0)
2431                         return ret;
2432         }
2433         return 0;
2434 }
2435
2436 static int add_all_matching_fields(struct evlist *evlist,
2437                                    char *field_name, bool raw_trace, int level)
2438 {
2439         int ret = -ESRCH;
2440         struct evsel *evsel;
2441         struct tep_format_field *field;
2442
2443         evlist__for_each_entry(evlist, evsel) {
2444                 if (evsel->core.attr.type != PERF_TYPE_TRACEPOINT)
2445                         continue;
2446
2447                 field = tep_find_any_field(evsel->tp_format, field_name);
2448                 if (field == NULL)
2449                         continue;
2450
2451                 ret = __dynamic_dimension__add(evsel, field, raw_trace, level);
2452                 if (ret < 0)
2453                         break;
2454         }
2455         return ret;
2456 }
2457
2458 static int add_dynamic_entry(struct evlist *evlist, const char *tok,
2459                              int level)
2460 {
2461         char *str, *event_name, *field_name, *opt_name;
2462         struct evsel *evsel;
2463         struct tep_format_field *field;
2464         bool raw_trace = symbol_conf.raw_trace;
2465         int ret = 0;
2466
2467         if (evlist == NULL)
2468                 return -ENOENT;
2469
2470         str = strdup(tok);
2471         if (str == NULL)
2472                 return -ENOMEM;
2473
2474         if (parse_field_name(str, &event_name, &field_name, &opt_name) < 0) {
2475                 ret = -EINVAL;
2476                 goto out;
2477         }
2478
2479         if (opt_name) {
2480                 if (strcmp(opt_name, "raw")) {
2481                         pr_debug("unsupported field option %s\n", opt_name);
2482                         ret = -EINVAL;
2483                         goto out;
2484                 }
2485                 raw_trace = true;
2486         }
2487
2488         if (!strcmp(field_name, "trace_fields")) {
2489                 ret = add_all_dynamic_fields(evlist, raw_trace, level);
2490                 goto out;
2491         }
2492
2493         if (event_name == NULL) {
2494                 ret = add_all_matching_fields(evlist, field_name, raw_trace, level);
2495                 goto out;
2496         }
2497
2498         evsel = find_evsel(evlist, event_name);
2499         if (evsel == NULL) {
2500                 pr_debug("Cannot find event: %s\n", event_name);
2501                 ret = -ENOENT;
2502                 goto out;
2503         }
2504
2505         if (evsel->core.attr.type != PERF_TYPE_TRACEPOINT) {
2506                 pr_debug("%s is not a tracepoint event\n", event_name);
2507                 ret = -EINVAL;
2508                 goto out;
2509         }
2510
2511         if (!strcmp(field_name, "*")) {
2512                 ret = add_evsel_fields(evsel, raw_trace, level);
2513         } else {
2514                 field = tep_find_any_field(evsel->tp_format, field_name);
2515                 if (field == NULL) {
2516                         pr_debug("Cannot find event field for %s.%s\n",
2517                                  event_name, field_name);
2518                         return -ENOENT;
2519                 }
2520
2521                 ret = __dynamic_dimension__add(evsel, field, raw_trace, level);
2522         }
2523
2524 out:
2525         free(str);
2526         return ret;
2527 }
2528
2529 static int __sort_dimension__add(struct sort_dimension *sd,
2530                                  struct perf_hpp_list *list,
2531                                  int level)
2532 {
2533         if (sd->taken)
2534                 return 0;
2535
2536         if (__sort_dimension__add_hpp_sort(sd, list, level) < 0)
2537                 return -1;
2538
2539         if (sd->entry->se_collapse)
2540                 list->need_collapse = 1;
2541
2542         sd->taken = 1;
2543
2544         return 0;
2545 }
2546
2547 static int __hpp_dimension__add(struct hpp_dimension *hd,
2548                                 struct perf_hpp_list *list,
2549                                 int level)
2550 {
2551         struct perf_hpp_fmt *fmt;
2552
2553         if (hd->taken)
2554                 return 0;
2555
2556         fmt = __hpp_dimension__alloc_hpp(hd, level);
2557         if (!fmt)
2558                 return -1;
2559
2560         hd->taken = 1;
2561         perf_hpp_list__register_sort_field(list, fmt);
2562         return 0;
2563 }
2564
2565 static int __sort_dimension__add_output(struct perf_hpp_list *list,
2566                                         struct sort_dimension *sd)
2567 {
2568         if (sd->taken)
2569                 return 0;
2570
2571         if (__sort_dimension__add_hpp_output(sd, list) < 0)
2572                 return -1;
2573
2574         sd->taken = 1;
2575         return 0;
2576 }
2577
2578 static int __hpp_dimension__add_output(struct perf_hpp_list *list,
2579                                        struct hpp_dimension *hd)
2580 {
2581         struct perf_hpp_fmt *fmt;
2582
2583         if (hd->taken)
2584                 return 0;
2585
2586         fmt = __hpp_dimension__alloc_hpp(hd, 0);
2587         if (!fmt)
2588                 return -1;
2589
2590         hd->taken = 1;
2591         perf_hpp_list__column_register(list, fmt);
2592         return 0;
2593 }
2594
2595 int hpp_dimension__add_output(unsigned col)
2596 {
2597         BUG_ON(col >= PERF_HPP__MAX_INDEX);
2598         return __hpp_dimension__add_output(&perf_hpp_list, &hpp_sort_dimensions[col]);
2599 }
2600
2601 int sort_dimension__add(struct perf_hpp_list *list, const char *tok,
2602                         struct evlist *evlist,
2603                         int level)
2604 {
2605         unsigned int i;
2606
2607         for (i = 0; i < ARRAY_SIZE(common_sort_dimensions); i++) {
2608                 struct sort_dimension *sd = &common_sort_dimensions[i];
2609
2610                 if (strncasecmp(tok, sd->name, strlen(tok)))
2611                         continue;
2612
2613                 if (sd->entry == &sort_parent) {
2614                         int ret = regcomp(&parent_regex, parent_pattern, REG_EXTENDED);
2615                         if (ret) {
2616                                 char err[BUFSIZ];
2617
2618                                 regerror(ret, &parent_regex, err, sizeof(err));
2619                                 pr_err("Invalid regex: %s\n%s", parent_pattern, err);
2620                                 return -EINVAL;
2621                         }
2622                         list->parent = 1;
2623                 } else if (sd->entry == &sort_sym) {
2624                         list->sym = 1;
2625                         /*
2626                          * perf diff displays the performance difference amongst
2627                          * two or more perf.data files. Those files could come
2628                          * from different binaries. So we should not compare
2629                          * their ips, but the name of symbol.
2630                          */
2631                         if (sort__mode == SORT_MODE__DIFF)
2632                                 sd->entry->se_collapse = sort__sym_sort;
2633
2634                 } else if (sd->entry == &sort_dso) {
2635                         list->dso = 1;
2636                 } else if (sd->entry == &sort_socket) {
2637                         list->socket = 1;
2638                 } else if (sd->entry == &sort_thread) {
2639                         list->thread = 1;
2640                 } else if (sd->entry == &sort_comm) {
2641                         list->comm = 1;
2642                 }
2643
2644                 return __sort_dimension__add(sd, list, level);
2645         }
2646
2647         for (i = 0; i < ARRAY_SIZE(hpp_sort_dimensions); i++) {
2648                 struct hpp_dimension *hd = &hpp_sort_dimensions[i];
2649
2650                 if (strncasecmp(tok, hd->name, strlen(tok)))
2651                         continue;
2652
2653                 return __hpp_dimension__add(hd, list, level);
2654         }
2655
2656         for (i = 0; i < ARRAY_SIZE(bstack_sort_dimensions); i++) {
2657                 struct sort_dimension *sd = &bstack_sort_dimensions[i];
2658
2659                 if (strncasecmp(tok, sd->name, strlen(tok)))
2660                         continue;
2661
2662                 if (sort__mode != SORT_MODE__BRANCH)
2663                         return -EINVAL;
2664
2665                 if (sd->entry == &sort_sym_from || sd->entry == &sort_sym_to)
2666                         list->sym = 1;
2667
2668                 __sort_dimension__add(sd, list, level);
2669                 return 0;
2670         }
2671
2672         for (i = 0; i < ARRAY_SIZE(memory_sort_dimensions); i++) {
2673                 struct sort_dimension *sd = &memory_sort_dimensions[i];
2674
2675                 if (strncasecmp(tok, sd->name, strlen(tok)))
2676                         continue;
2677
2678                 if (sort__mode != SORT_MODE__MEMORY)
2679                         return -EINVAL;
2680
2681                 if (sd->entry == &sort_mem_dcacheline && cacheline_size() == 0)
2682                         return -EINVAL;
2683
2684                 if (sd->entry == &sort_mem_daddr_sym)
2685                         list->sym = 1;
2686
2687                 __sort_dimension__add(sd, list, level);
2688                 return 0;
2689         }
2690
2691         if (!add_dynamic_entry(evlist, tok, level))
2692                 return 0;
2693
2694         return -ESRCH;
2695 }
2696
2697 static int setup_sort_list(struct perf_hpp_list *list, char *str,
2698                            struct evlist *evlist)
2699 {
2700         char *tmp, *tok;
2701         int ret = 0;
2702         int level = 0;
2703         int next_level = 1;
2704         bool in_group = false;
2705
2706         do {
2707                 tok = str;
2708                 tmp = strpbrk(str, "{}, ");
2709                 if (tmp) {
2710                         if (in_group)
2711                                 next_level = level;
2712                         else
2713                                 next_level = level + 1;
2714
2715                         if (*tmp == '{')
2716                                 in_group = true;
2717                         else if (*tmp == '}')
2718                                 in_group = false;
2719
2720                         *tmp = '\0';
2721                         str = tmp + 1;
2722                 }
2723
2724                 if (*tok) {
2725                         ret = sort_dimension__add(list, tok, evlist, level);
2726                         if (ret == -EINVAL) {
2727                                 if (!cacheline_size() && !strncasecmp(tok, "dcacheline", strlen(tok)))
2728                                         ui__error("The \"dcacheline\" --sort key needs to know the cacheline size and it couldn't be determined on this system");
2729                                 else
2730                                         ui__error("Invalid --sort key: `%s'", tok);
2731                                 break;
2732                         } else if (ret == -ESRCH) {
2733                                 ui__error("Unknown --sort key: `%s'", tok);
2734                                 break;
2735                         }
2736                 }
2737
2738                 level = next_level;
2739         } while (tmp);
2740
2741         return ret;
2742 }
2743
2744 static const char *get_default_sort_order(struct evlist *evlist)
2745 {
2746         const char *default_sort_orders[] = {
2747                 default_sort_order,
2748                 default_branch_sort_order,
2749                 default_mem_sort_order,
2750                 default_top_sort_order,
2751                 default_diff_sort_order,
2752                 default_tracepoint_sort_order,
2753         };
2754         bool use_trace = true;
2755         struct evsel *evsel;
2756
2757         BUG_ON(sort__mode >= ARRAY_SIZE(default_sort_orders));
2758
2759         if (evlist == NULL || perf_evlist__empty(evlist))
2760                 goto out_no_evlist;
2761
2762         evlist__for_each_entry(evlist, evsel) {
2763                 if (evsel->core.attr.type != PERF_TYPE_TRACEPOINT) {
2764                         use_trace = false;
2765                         break;
2766                 }
2767         }
2768
2769         if (use_trace) {
2770                 sort__mode = SORT_MODE__TRACEPOINT;
2771                 if (symbol_conf.raw_trace)
2772                         return "trace_fields";
2773         }
2774 out_no_evlist:
2775         return default_sort_orders[sort__mode];
2776 }
2777
2778 static int setup_sort_order(struct evlist *evlist)
2779 {
2780         char *new_sort_order;
2781
2782         /*
2783          * Append '+'-prefixed sort order to the default sort
2784          * order string.
2785          */
2786         if (!sort_order || is_strict_order(sort_order))
2787                 return 0;
2788
2789         if (sort_order[1] == '\0') {
2790                 ui__error("Invalid --sort key: `+'");
2791                 return -EINVAL;
2792         }
2793
2794         /*
2795          * We allocate new sort_order string, but we never free it,
2796          * because it's checked over the rest of the code.
2797          */
2798         if (asprintf(&new_sort_order, "%s,%s",
2799                      get_default_sort_order(evlist), sort_order + 1) < 0) {
2800                 pr_err("Not enough memory to set up --sort");
2801                 return -ENOMEM;
2802         }
2803
2804         sort_order = new_sort_order;
2805         return 0;
2806 }
2807
2808 /*
2809  * Adds 'pre,' prefix into 'str' is 'pre' is
2810  * not already part of 'str'.
2811  */
2812 static char *prefix_if_not_in(const char *pre, char *str)
2813 {
2814         char *n;
2815
2816         if (!str || strstr(str, pre))
2817                 return str;
2818
2819         if (asprintf(&n, "%s,%s", pre, str) < 0)
2820                 n = NULL;
2821
2822         free(str);
2823         return n;
2824 }
2825
2826 static char *setup_overhead(char *keys)
2827 {
2828         if (sort__mode == SORT_MODE__DIFF)
2829                 return keys;
2830
2831         keys = prefix_if_not_in("overhead", keys);
2832
2833         if (symbol_conf.cumulate_callchain)
2834                 keys = prefix_if_not_in("overhead_children", keys);
2835
2836         return keys;
2837 }
2838
2839 static int __setup_sorting(struct evlist *evlist)
2840 {
2841         char *str;
2842         const char *sort_keys;
2843         int ret = 0;
2844
2845         ret = setup_sort_order(evlist);
2846         if (ret)
2847                 return ret;
2848
2849         sort_keys = sort_order;
2850         if (sort_keys == NULL) {
2851                 if (is_strict_order(field_order)) {
2852                         /*
2853                          * If user specified field order but no sort order,
2854                          * we'll honor it and not add default sort orders.
2855                          */
2856                         return 0;
2857                 }
2858
2859                 sort_keys = get_default_sort_order(evlist);
2860         }
2861
2862         str = strdup(sort_keys);
2863         if (str == NULL) {
2864                 pr_err("Not enough memory to setup sort keys");
2865                 return -ENOMEM;
2866         }
2867
2868         /*
2869          * Prepend overhead fields for backward compatibility.
2870          */
2871         if (!is_strict_order(field_order)) {
2872                 str = setup_overhead(str);
2873                 if (str == NULL) {
2874                         pr_err("Not enough memory to setup overhead keys");
2875                         return -ENOMEM;
2876                 }
2877         }
2878
2879         ret = setup_sort_list(&perf_hpp_list, str, evlist);
2880
2881         free(str);
2882         return ret;
2883 }
2884
2885 void perf_hpp__set_elide(int idx, bool elide)
2886 {
2887         struct perf_hpp_fmt *fmt;
2888         struct hpp_sort_entry *hse;
2889
2890         perf_hpp_list__for_each_format(&perf_hpp_list, fmt) {
2891                 if (!perf_hpp__is_sort_entry(fmt))
2892                         continue;
2893
2894                 hse = container_of(fmt, struct hpp_sort_entry, hpp);
2895                 if (hse->se->se_width_idx == idx) {
2896                         fmt->elide = elide;
2897                         break;
2898                 }
2899         }
2900 }
2901
2902 static bool __get_elide(struct strlist *list, const char *list_name, FILE *fp)
2903 {
2904         if (list && strlist__nr_entries(list) == 1) {
2905                 if (fp != NULL)
2906                         fprintf(fp, "# %s: %s\n", list_name,
2907                                 strlist__entry(list, 0)->s);
2908                 return true;
2909         }
2910         return false;
2911 }
2912
2913 static bool get_elide(int idx, FILE *output)
2914 {
2915         switch (idx) {
2916         case HISTC_SYMBOL:
2917                 return __get_elide(symbol_conf.sym_list, "symbol", output);
2918         case HISTC_DSO:
2919                 return __get_elide(symbol_conf.dso_list, "dso", output);
2920         case HISTC_COMM:
2921                 return __get_elide(symbol_conf.comm_list, "comm", output);
2922         default:
2923                 break;
2924         }
2925
2926         if (sort__mode != SORT_MODE__BRANCH)
2927                 return false;
2928
2929         switch (idx) {
2930         case HISTC_SYMBOL_FROM:
2931                 return __get_elide(symbol_conf.sym_from_list, "sym_from", output);
2932         case HISTC_SYMBOL_TO:
2933                 return __get_elide(symbol_conf.sym_to_list, "sym_to", output);
2934         case HISTC_DSO_FROM:
2935                 return __get_elide(symbol_conf.dso_from_list, "dso_from", output);
2936         case HISTC_DSO_TO:
2937                 return __get_elide(symbol_conf.dso_to_list, "dso_to", output);
2938         default:
2939                 break;
2940         }
2941
2942         return false;
2943 }
2944
2945 void sort__setup_elide(FILE *output)
2946 {
2947         struct perf_hpp_fmt *fmt;
2948         struct hpp_sort_entry *hse;
2949
2950         perf_hpp_list__for_each_format(&perf_hpp_list, fmt) {
2951                 if (!perf_hpp__is_sort_entry(fmt))
2952                         continue;
2953
2954                 hse = container_of(fmt, struct hpp_sort_entry, hpp);
2955                 fmt->elide = get_elide(hse->se->se_width_idx, output);
2956         }
2957
2958         /*
2959          * It makes no sense to elide all of sort entries.
2960          * Just revert them to show up again.
2961          */
2962         perf_hpp_list__for_each_format(&perf_hpp_list, fmt) {
2963                 if (!perf_hpp__is_sort_entry(fmt))
2964                         continue;
2965
2966                 if (!fmt->elide)
2967                         return;
2968         }
2969
2970         perf_hpp_list__for_each_format(&perf_hpp_list, fmt) {
2971                 if (!perf_hpp__is_sort_entry(fmt))
2972                         continue;
2973
2974                 fmt->elide = false;
2975         }
2976 }
2977
2978 int output_field_add(struct perf_hpp_list *list, char *tok)
2979 {
2980         unsigned int i;
2981
2982         for (i = 0; i < ARRAY_SIZE(common_sort_dimensions); i++) {
2983                 struct sort_dimension *sd = &common_sort_dimensions[i];
2984
2985                 if (strncasecmp(tok, sd->name, strlen(tok)))
2986                         continue;
2987
2988                 return __sort_dimension__add_output(list, sd);
2989         }
2990
2991         for (i = 0; i < ARRAY_SIZE(hpp_sort_dimensions); i++) {
2992                 struct hpp_dimension *hd = &hpp_sort_dimensions[i];
2993
2994                 if (strncasecmp(tok, hd->name, strlen(tok)))
2995                         continue;
2996
2997                 return __hpp_dimension__add_output(list, hd);
2998         }
2999
3000         for (i = 0; i < ARRAY_SIZE(bstack_sort_dimensions); i++) {
3001                 struct sort_dimension *sd = &bstack_sort_dimensions[i];
3002
3003                 if (strncasecmp(tok, sd->name, strlen(tok)))
3004                         continue;
3005
3006                 if (sort__mode != SORT_MODE__MEMORY)
3007                         return -EINVAL;
3008
3009                 return __sort_dimension__add_output(list, sd);
3010         }
3011
3012         for (i = 0; i < ARRAY_SIZE(memory_sort_dimensions); i++) {
3013                 struct sort_dimension *sd = &memory_sort_dimensions[i];
3014
3015                 if (strncasecmp(tok, sd->name, strlen(tok)))
3016                         continue;
3017
3018                 if (sort__mode != SORT_MODE__BRANCH)
3019                         return -EINVAL;
3020
3021                 return __sort_dimension__add_output(list, sd);
3022         }
3023
3024         return -ESRCH;
3025 }
3026
3027 static int setup_output_list(struct perf_hpp_list *list, char *str)
3028 {
3029         char *tmp, *tok;
3030         int ret = 0;
3031
3032         for (tok = strtok_r(str, ", ", &tmp);
3033                         tok; tok = strtok_r(NULL, ", ", &tmp)) {
3034                 ret = output_field_add(list, tok);
3035                 if (ret == -EINVAL) {
3036                         ui__error("Invalid --fields key: `%s'", tok);
3037                         break;
3038                 } else if (ret == -ESRCH) {
3039                         ui__error("Unknown --fields key: `%s'", tok);
3040                         break;
3041                 }
3042         }
3043
3044         return ret;
3045 }
3046
3047 void reset_dimensions(void)
3048 {
3049         unsigned int i;
3050
3051         for (i = 0; i < ARRAY_SIZE(common_sort_dimensions); i++)
3052                 common_sort_dimensions[i].taken = 0;
3053
3054         for (i = 0; i < ARRAY_SIZE(hpp_sort_dimensions); i++)
3055                 hpp_sort_dimensions[i].taken = 0;
3056
3057         for (i = 0; i < ARRAY_SIZE(bstack_sort_dimensions); i++)
3058                 bstack_sort_dimensions[i].taken = 0;
3059
3060         for (i = 0; i < ARRAY_SIZE(memory_sort_dimensions); i++)
3061                 memory_sort_dimensions[i].taken = 0;
3062 }
3063
3064 bool is_strict_order(const char *order)
3065 {
3066         return order && (*order != '+');
3067 }
3068
3069 static int __setup_output_field(void)
3070 {
3071         char *str, *strp;
3072         int ret = -EINVAL;
3073
3074         if (field_order == NULL)
3075                 return 0;
3076
3077         strp = str = strdup(field_order);
3078         if (str == NULL) {
3079                 pr_err("Not enough memory to setup output fields");
3080                 return -ENOMEM;
3081         }
3082
3083         if (!is_strict_order(field_order))
3084                 strp++;
3085
3086         if (!strlen(strp)) {
3087                 ui__error("Invalid --fields key: `+'");
3088                 goto out;
3089         }
3090
3091         ret = setup_output_list(&perf_hpp_list, strp);
3092
3093 out:
3094         free(str);
3095         return ret;
3096 }
3097
3098 int setup_sorting(struct evlist *evlist)
3099 {
3100         int err;
3101
3102         err = __setup_sorting(evlist);
3103         if (err < 0)
3104                 return err;
3105
3106         if (parent_pattern != default_parent_pattern) {
3107                 err = sort_dimension__add(&perf_hpp_list, "parent", evlist, -1);
3108                 if (err < 0)
3109                         return err;
3110         }
3111
3112         reset_dimensions();
3113
3114         /*
3115          * perf diff doesn't use default hpp output fields.
3116          */
3117         if (sort__mode != SORT_MODE__DIFF)
3118                 perf_hpp__init();
3119
3120         err = __setup_output_field();
3121         if (err < 0)
3122                 return err;
3123
3124         /* copy sort keys to output fields */
3125         perf_hpp__setup_output_field(&perf_hpp_list);
3126         /* and then copy output fields to sort keys */
3127         perf_hpp__append_sort_keys(&perf_hpp_list);
3128
3129         /* setup hists-specific output fields */
3130         if (perf_hpp__setup_hists_formats(&perf_hpp_list, evlist) < 0)
3131                 return -1;
3132
3133         return 0;
3134 }
3135
3136 void reset_output_field(void)
3137 {
3138         perf_hpp_list.need_collapse = 0;
3139         perf_hpp_list.parent = 0;
3140         perf_hpp_list.sym = 0;
3141         perf_hpp_list.dso = 0;
3142
3143         field_order = NULL;
3144         sort_order = NULL;
3145
3146         reset_dimensions();
3147         perf_hpp__reset_output_field(&perf_hpp_list);
3148 }
3149
3150 #define INDENT (3*8 + 1)
3151
3152 static void add_key(struct strbuf *sb, const char *str, int *llen)
3153 {
3154         if (*llen >= 75) {
3155                 strbuf_addstr(sb, "\n\t\t\t ");
3156                 *llen = INDENT;
3157         }
3158         strbuf_addf(sb, " %s", str);
3159         *llen += strlen(str) + 1;
3160 }
3161
3162 static void add_sort_string(struct strbuf *sb, struct sort_dimension *s, int n,
3163                             int *llen)
3164 {
3165         int i;
3166
3167         for (i = 0; i < n; i++)
3168                 add_key(sb, s[i].name, llen);
3169 }
3170
3171 static void add_hpp_sort_string(struct strbuf *sb, struct hpp_dimension *s, int n,
3172                                 int *llen)
3173 {
3174         int i;
3175
3176         for (i = 0; i < n; i++)
3177                 add_key(sb, s[i].name, llen);
3178 }
3179
3180 const char *sort_help(const char *prefix)
3181 {
3182         struct strbuf sb;
3183         char *s;
3184         int len = strlen(prefix) + INDENT;
3185
3186         strbuf_init(&sb, 300);
3187         strbuf_addstr(&sb, prefix);
3188         add_hpp_sort_string(&sb, hpp_sort_dimensions,
3189                             ARRAY_SIZE(hpp_sort_dimensions), &len);
3190         add_sort_string(&sb, common_sort_dimensions,
3191                             ARRAY_SIZE(common_sort_dimensions), &len);
3192         add_sort_string(&sb, bstack_sort_dimensions,
3193                             ARRAY_SIZE(bstack_sort_dimensions), &len);
3194         add_sort_string(&sb, memory_sort_dimensions,
3195                             ARRAY_SIZE(memory_sort_dimensions), &len);
3196         s = strbuf_detach(&sb, NULL);
3197         strbuf_release(&sb);
3198         return s;
3199 }